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Finding the Fourth Proportional to 74,895,812.40, 112,343,718.60 and 63,558,404.40

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Solution

The fourth proportional to 74,895,812.40, 112,343,718.60 and 63,558,404.40 is: 95,337,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895,812.40 : 112,343,718.60 = 63,558,404.40 : x
  2. Step 2: Convert to fraction form
    74,895,812.40/112,343,718.60 = 63,558,404.40/x
  3. Step 3: Cross multiply
    74,895,812.40x = 112,343,718.60 × 63,558,404.40
  4. Step 4: Simplify right side
    74,895,812.40x = 7,140,387,498,578,601
  5. Step 5: Solve for x
    x = 7,140,387,498,578,601/74,895,812.40
  6. Step 6: Final answer
    x = 95,337,606.60

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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.