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Finding the Fourth Proportional to 359,960.07, 539,873.42 and 132,205.89

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Solution

The fourth proportional to 359,960.07, 539,873.42 and 132,205.89 is: 198,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,960.07 : 539,873.42 = 132,205.89 : x
  2. Step 2: Convert to fraction form
    359,960.07/539,873.42 = 132,205.89/x
  3. Step 3: Cross multiply
    359,960.07x = 539,873.42 × 132,205.89
  4. Step 4: Simplify right side
    359,960.07x = 71,374,445,317.41
  5. Step 5: Solve for x
    x = 71,374,445,317.41/359,960.07
  6. Step 6: Final answer
    x = 198,284.34

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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.