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Finding the Fourth Proportional to 359,537.62, 539,288.92 and 134,880.55

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Solution

The fourth proportional to 359,537.62, 539,288.92 and 134,880.55 is: 202,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,537.62 : 539,288.92 = 134,880.55 : x
  2. Step 2: Convert to fraction form
    359,537.62/539,288.92 = 134,880.55/x
  3. Step 3: Cross multiply
    359,537.62x = 539,288.92 × 134,880.55
  4. Step 4: Simplify right side
    359,537.62x = 72,739,586,138.51
  5. Step 5: Solve for x
    x = 72,739,586,138.51/359,537.62
  6. Step 6: Final answer
    x = 202,314.26

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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.