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Finding the Fourth Proportional to 235,575.20, 353,233.20 and 102,432.80

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Solution

The fourth proportional to 235,575.20, 353,233.20 and 102,432.80 is: 153,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,575.20 : 353,233.20 = 102,432.80 : x
  2. Step 2: Convert to fraction form
    235,575.20/353,233.20 = 102,432.80/x
  3. Step 3: Cross multiply
    235,575.20x = 353,233.20 × 102,432.80
  4. Step 4: Simplify right side
    235,575.20x = 36,182,665,728.96
  5. Step 5: Solve for x
    x = 36,182,665,728.96/235,575.20
  6. Step 6: Final answer
    x = 153,592.85

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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.