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Finding the Fourth Proportional to 166,372.62, 229,594.22 and 90,921.12

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Solution

The fourth proportional to 166,372.62, 229,594.22 and 90,921.12 is: 125,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,372.62 : 229,594.22 = 90,921.12 : x
  2. Step 2: Convert to fraction form
    166,372.62/229,594.22 = 90,921.12/x
  3. Step 3: Cross multiply
    166,372.62x = 229,594.22 × 90,921.12
  4. Step 4: Simplify right side
    166,372.62x = 20,874,963,627.93
  5. Step 5: Solve for x
    x = 20,874,963,627.93/166,372.62
  6. Step 6: Final answer
    x = 125,471.15

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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.