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Finding the Fourth Proportional to 103,471,344,043.20, 155,207,016,064.80 and 103,471,344,043.20

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Solution

The fourth proportional to 103,471,344,043.20, 155,207,016,064.80 and 103,471,344,043.20 is: 155,207,016,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,471,344,043.20 : 155,207,016,064.80 = 103,471,344,043.20 : x
  2. Step 2: Convert to fraction form
    103,471,344,043.20/155,207,016,064.80 = 103,471,344,043.20/x
  3. Step 3: Cross multiply
    103,471,344,043.20x = 155,207,016,064.80 × 103,471,344,043.20
  4. Step 4: Simplify right side
    103,471,344,043.20x = 16,059,478,557,159,388,610,560
  5. Step 5: Solve for x
    x = 16,059,478,557,159,388,610,560/103,471,344,043.20
  6. Step 6: Final answer
    x = 155,207,016,064.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.