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Finding the Fourth Proportional to 359,555.42, 539,193.02 and 134,793.26

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Solution

The fourth proportional to 359,555.42, 539,193.02 and 134,793.26 is: 202,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,555.42 : 539,193.02 = 134,793.26 : x
  2. Step 2: Convert to fraction form
    359,555.42/539,193.02 = 134,793.26/x
  3. Step 3: Cross multiply
    359,555.42x = 539,193.02 × 134,793.26
  4. Step 4: Simplify right side
    359,555.42x = 72,679,584,935.05
  5. Step 5: Solve for x
    x = 72,679,584,935.05/359,555.42
  6. Step 6: Final answer
    x = 202,137.36

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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.