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Finding the Fourth Proportional to 359,763.75, 539,551.56 and 106,976.16

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Solution

The fourth proportional to 359,763.75, 539,551.56 and 106,976.16 is: 160,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,763.75 : 539,551.56 = 106,976.16 : x
  2. Step 2: Convert to fraction form
    359,763.75/539,551.56 = 106,976.16/x
  3. Step 3: Cross multiply
    359,763.75x = 539,551.56 × 106,976.16
  4. Step 4: Simplify right side
    359,763.75x = 57,719,154,010.81
  5. Step 5: Solve for x
    x = 57,719,154,010.81/359,763.75
  6. Step 6: Final answer
    x = 160,436.27

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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.