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Finding the Fourth Proportional to 539,174.69, 808,691.76 and 160,087.80

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Solution

The fourth proportional to 539,174.69, 808,691.76 and 160,087.80 is: 240,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,174.69 : 808,691.76 = 160,087.80 : x
  2. Step 2: Convert to fraction form
    539,174.69/808,691.76 = 160,087.80/x
  3. Step 3: Cross multiply
    539,174.69x = 808,691.76 × 160,087.80
  4. Step 4: Simplify right side
    539,174.69x = 129,461,684,736.53
  5. Step 5: Solve for x
    x = 129,461,684,736.53/539,174.69
  6. Step 6: Final answer
    x = 240,110.83

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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.