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Finding the Fourth Proportional to 84,002,727, 115,923,841.02 and 45,371,559

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Solution

The fourth proportional to 84,002,727, 115,923,841.02 and 45,371,559 is: 62,612,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002,727 : 115,923,841.02 = 45,371,559 : x
  2. Step 2: Convert to fraction form
    84,002,727/115,923,841.02 = 45,371,559/x
  3. Step 3: Cross multiply
    84,002,727x = 115,923,841.02 × 45,371,559
  4. Step 4: Simplify right side
    84,002,727x = 5,259,645,392,345,550
  5. Step 5: Solve for x
    x = 5,259,645,392,345,550/84,002,727
  6. Step 6: Final answer
    x = 62,612,793.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.