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Finding the Fourth Proportional to 151,141.80, 226,712.70 and 51,414.60

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Solution

The fourth proportional to 151,141.80, 226,712.70 and 51,414.60 is: 77,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,141.80 : 226,712.70 = 51,414.60 : x
  2. Step 2: Convert to fraction form
    151,141.80/226,712.70 = 51,414.60/x
  3. Step 3: Cross multiply
    151,141.80x = 226,712.70 × 51,414.60
  4. Step 4: Simplify right side
    151,141.80x = 11,656,342,785.42
  5. Step 5: Solve for x
    x = 11,656,342,785.42/151,141.80
  6. Step 6: Final answer
    x = 77,121.90

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1.5x scale

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.