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Finding the Fourth Proportional to 271,285.20, 406,927.80 and 93,773.70

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Solution

The fourth proportional to 271,285.20, 406,927.80 and 93,773.70 is: 140,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,285.20 : 406,927.80 = 93,773.70 : x
  2. Step 2: Convert to fraction form
    271,285.20/406,927.80 = 93,773.70/x
  3. Step 3: Cross multiply
    271,285.20x = 406,927.80 × 93,773.70
  4. Step 4: Simplify right side
    271,285.20x = 38,159,125,438.86
  5. Step 5: Solve for x
    x = 38,159,125,438.86/271,285.20
  6. Step 6: Final answer
    x = 140,660.55

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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.