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Finding the Fourth Proportional to 247,874,189.81, 371,797,829.31 and 75,337,551.20

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Solution

The fourth proportional to 247,874,189.81, 371,797,829.31 and 75,337,551.20 is: 113,002,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,874,189.81 : 371,797,829.31 = 75,337,551.20 : x
  2. Step 2: Convert to fraction form
    247,874,189.81/371,797,829.31 = 75,337,551.20/x
  3. Step 3: Cross multiply
    247,874,189.81x = 371,797,829.31 × 75,337,551.20
  4. Step 4: Simplify right side
    247,874,189.81x = 28,010,338,001,690,988
  5. Step 5: Solve for x
    x = 28,010,338,001,690,988/247,874,189.81
  6. Step 6: Final answer
    x = 113,002,237.24

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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.