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Finding the Fourth Proportional to 151,505.70, 227,258.55 and 67,233.30

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Solution

The fourth proportional to 151,505.70, 227,258.55 and 67,233.30 is: 100,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,505.70 : 227,258.55 = 67,233.30 : x
  2. Step 2: Convert to fraction form
    151,505.70/227,258.55 = 67,233.30/x
  3. Step 3: Cross multiply
    151,505.70x = 227,258.55 × 67,233.30
  4. Step 4: Simplify right side
    151,505.70x = 15,279,342,269.72
  5. Step 5: Solve for x
    x = 15,279,342,269.72/151,505.70
  6. Step 6: Final answer
    x = 100,849.95

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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.