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Finding the Fourth Proportional to 224,677.72, 309,912.86 and 170,844.71

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Solution

The fourth proportional to 224,677.72, 309,912.86 and 170,844.71 is: 235,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,677.72 : 309,912.86 = 170,844.71 : x
  2. Step 2: Convert to fraction form
    224,677.72/309,912.86 = 170,844.71/x
  3. Step 3: Cross multiply
    224,677.72x = 309,912.86 × 170,844.71
  4. Step 4: Simplify right side
    224,677.72x = 52,946,972,691.97
  5. Step 5: Solve for x
    x = 52,946,972,691.97/224,677.72
  6. Step 6: Final answer
    x = 235,657.42

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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.