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Finding the Fourth Proportional to 73,354,082.80, 109,936,645.80 and 56,229,872.80

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Solution

The fourth proportional to 73,354,082.80, 109,936,645.80 and 56,229,872.80 is: 84,272,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354,082.80 : 109,936,645.80 = 56,229,872.80 : x
  2. Step 2: Convert to fraction form
    73,354,082.80/109,936,645.80 = 56,229,872.80/x
  3. Step 3: Cross multiply
    73,354,082.80x = 109,936,645.80 × 56,229,872.80
  4. Step 4: Simplify right side
    73,354,082.80x = 6,181,723,609,392,654
  5. Step 5: Solve for x
    x = 6,181,723,609,392,654/73,354,082.80
  6. Step 6: Final answer
    x = 84,272,386.40

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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.