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Finding the Fourth Proportional to 152,882.60, 229,542.60 and 108,705.20

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Solution

The fourth proportional to 152,882.60, 229,542.60 and 108,705.20 is: 163,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,882.60 : 229,542.60 = 108,705.20 : x
  2. Step 2: Convert to fraction form
    152,882.60/229,542.60 = 108,705.20/x
  3. Step 3: Cross multiply
    152,882.60x = 229,542.60 × 108,705.20
  4. Step 4: Simplify right side
    152,882.60x = 24,952,474,241.52
  5. Step 5: Solve for x
    x = 24,952,474,241.52/152,882.60
  6. Step 6: Final answer
    x = 163,213.30

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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.