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Finding the Fourth Proportional to 74,310,429.45, 111,465,644.18 and 74,310,429.45

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Solution

The fourth proportional to 74,310,429.45, 111,465,644.18 and 74,310,429.45 is: 111,465,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310,429.45 : 111,465,644.18 = 74,310,429.45 : x
  2. Step 2: Convert to fraction form
    74,310,429.45/111,465,644.18 = 74,310,429.45/x
  3. Step 3: Cross multiply
    74,310,429.45x = 111,465,644.18 × 74,310,429.45
  4. Step 4: Simplify right side
    74,310,429.45x = 8,283,059,887,565,141
  5. Step 5: Solve for x
    x = 8,283,059,887,565,141/74,310,429.45
  6. Step 6: Final answer
    x = 111,465,644.18

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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.