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Finding the Fourth Proportional to 359,740.85, 539,517.31 and 106,953.31

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Solution

The fourth proportional to 359,740.85, 539,517.31 and 106,953.31 is: 160,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,740.85 : 539,517.31 = 106,953.31 : x
  2. Step 2: Convert to fraction form
    359,740.85/539,517.31 = 106,953.31/x
  3. Step 3: Cross multiply
    359,740.85x = 539,517.31 × 106,953.31
  4. Step 4: Simplify right side
    359,740.85x = 57,703,162,513.81
  5. Step 5: Solve for x
    x = 57,703,162,513.81/359,740.85
  6. Step 6: Final answer
    x = 160,402.03

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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.