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Finding the Fourth Proportional to 359,447.04, 539,151.12 and 110,129.76

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Solution

The fourth proportional to 359,447.04, 539,151.12 and 110,129.76 is: 165,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,447.04 : 539,151.12 = 110,129.76 : x
  2. Step 2: Convert to fraction form
    359,447.04/539,151.12 = 110,129.76/x
  3. Step 3: Cross multiply
    359,447.04x = 539,151.12 × 110,129.76
  4. Step 4: Simplify right side
    359,447.04x = 59,376,583,449.33
  5. Step 5: Solve for x
    x = 59,376,583,449.33/359,447.04
  6. Step 6: Final answer
    x = 165,188.68

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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.