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Finding the Fourth Proportional to 359,723.73, 539,638.89 and 119,759.25

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Solution

The fourth proportional to 359,723.73, 539,638.89 and 119,759.25 is: 179,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,723.73 : 539,638.89 = 119,759.25 : x
  2. Step 2: Convert to fraction form
    359,723.73/539,638.89 = 119,759.25/x
  3. Step 3: Cross multiply
    359,723.73x = 539,638.89 × 119,759.25
  4. Step 4: Simplify right side
    359,723.73x = 64,626,748,737.23
  5. Step 5: Solve for x
    x = 64,626,748,737.23/359,723.73
  6. Step 6: Final answer
    x = 179,656.62

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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.