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Finding the Fourth Proportional to 359,565.66, 539,536.86 and 135,081

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Solution

The fourth proportional to 359,565.66, 539,536.86 and 135,081 is: 202,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,565.66 : 539,536.86 = 135,081 : x
  2. Step 2: Convert to fraction form
    359,565.66/539,536.86 = 135,081/x
  3. Step 3: Cross multiply
    359,565.66x = 539,536.86 × 135,081
  4. Step 4: Simplify right side
    359,565.66x = 72,881,178,585.66
  5. Step 5: Solve for x
    x = 72,881,178,585.66/359,565.66
  6. Step 6: Final answer
    x = 202,692.27

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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.