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Finding the Fourth Proportional to 227,652.10, 341,478.15 and 156,793.30

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Solution

The fourth proportional to 227,652.10, 341,478.15 and 156,793.30 is: 235,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,652.10 : 341,478.15 = 156,793.30 : x
  2. Step 2: Convert to fraction form
    227,652.10/341,478.15 = 156,793.30/x
  3. Step 3: Cross multiply
    227,652.10x = 341,478.15 × 156,793.30
  4. Step 4: Simplify right side
    227,652.10x = 53,541,486,016.40
  5. Step 5: Solve for x
    x = 53,541,486,016.40/227,652.10
  6. Step 6: Final answer
    x = 235,189.95

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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.