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Finding the Fourth Proportional to 74,144,027.20, 111,216,040.80 and 74,144,027.20

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Solution

The fourth proportional to 74,144,027.20, 111,216,040.80 and 74,144,027.20 is: 111,216,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144,027.20 : 111,216,040.80 = 74,144,027.20 : x
  2. Step 2: Convert to fraction form
    74,144,027.20/111,216,040.80 = 74,144,027.20/x
  3. Step 3: Cross multiply
    74,144,027.20x = 111,216,040.80 × 74,144,027.20
  4. Step 4: Simplify right side
    74,144,027.20x = 8,246,005,154,151,510
  5. Step 5: Solve for x
    x = 8,246,005,154,151,510/74,144,027.20
  6. Step 6: Final answer
    x = 111,216,040.80

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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.