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Finding the Fourth Proportional to 359,555.50, 539,193.07 and 134,793.42

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Solution

The fourth proportional to 359,555.50, 539,193.07 and 134,793.42 is: 202,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,555.50 : 539,193.07 = 134,793.42 : x
  2. Step 2: Convert to fraction form
    359,555.50/539,193.07 = 134,793.42/x
  3. Step 3: Cross multiply
    359,555.50x = 539,193.07 × 134,793.42
  4. Step 4: Simplify right side
    359,555.50x = 72,679,677,945.60
  5. Step 5: Solve for x
    x = 72,679,677,945.60/359,555.50
  6. Step 6: Final answer
    x = 202,137.58

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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.