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Finding the Fourth Proportional to 359,565.69, 539,208.33 and 134,803.62

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Solution

The fourth proportional to 359,565.69, 539,208.33 and 134,803.62 is: 202,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,565.69 : 539,208.33 = 134,803.62 : x
  2. Step 2: Convert to fraction form
    359,565.69/539,208.33 = 134,803.62/x
  3. Step 3: Cross multiply
    359,565.69x = 539,208.33 × 134,803.62
  4. Step 4: Simplify right side
    359,565.69x = 72,687,234,818.15
  5. Step 5: Solve for x
    x = 72,687,234,818.15/359,565.69
  6. Step 6: Final answer
    x = 202,152.87

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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.