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Finding the Fourth Proportional to 359,171.25, 538,759.58 and 159,437.94

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Solution

The fourth proportional to 359,171.25, 538,759.58 and 159,437.94 is: 239,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,171.25 : 538,759.58 = 159,437.94 : x
  2. Step 2: Convert to fraction form
    359,171.25/538,759.58 = 159,437.94/x
  3. Step 3: Cross multiply
    359,171.25x = 538,759.58 × 159,437.94
  4. Step 4: Simplify right side
    359,171.25x = 85,898,716,793.28
  5. Step 5: Solve for x
    x = 85,898,716,793.28/359,171.25
  6. Step 6: Final answer
    x = 239,158.11

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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.