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Finding the Fourth Proportional to 227,672.38, 314,179.75 and 125,695.76

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Solution

The fourth proportional to 227,672.38, 314,179.75 and 125,695.76 is: 173,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,672.38 : 314,179.75 = 125,695.76 : x
  2. Step 2: Convert to fraction form
    227,672.38/314,179.75 = 125,695.76/x
  3. Step 3: Cross multiply
    227,672.38x = 314,179.75 × 125,695.76
  4. Step 4: Simplify right side
    227,672.38x = 39,491,062,452.86
  5. Step 5: Solve for x
    x = 39,491,062,452.86/227,672.38
  6. Step 6: Final answer
    x = 173,455.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.