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Finding the Fourth Proportional to 227,646.10, 341,469.15 and 156,787.30

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Solution

The fourth proportional to 227,646.10, 341,469.15 and 156,787.30 is: 235,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,646.10 : 341,469.15 = 156,787.30 : x
  2. Step 2: Convert to fraction form
    227,646.10/341,469.15 = 156,787.30/x
  3. Step 3: Cross multiply
    227,646.10x = 341,469.15 × 156,787.30
  4. Step 4: Simplify right side
    227,646.10x = 53,538,026,061.80
  5. Step 5: Solve for x
    x = 53,538,026,061.80/227,646.10
  6. Step 6: Final answer
    x = 235,180.95

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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.