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Finding the Fourth Proportional to 359,589.96, 539,226.07 and 134,792.72

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Solution

The fourth proportional to 359,589.96, 539,226.07 and 134,792.72 is: 202,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,589.96 : 539,226.07 = 134,792.72 : x
  2. Step 2: Convert to fraction form
    359,589.96/539,226.07 = 134,792.72/x
  3. Step 3: Cross multiply
    359,589.96x = 539,226.07 × 134,792.72
  4. Step 4: Simplify right side
    359,589.96x = 72,683,745,637.10
  5. Step 5: Solve for x
    x = 72,683,745,637.10/359,589.96
  6. Step 6: Final answer
    x = 202,129.52

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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.