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Finding the Fourth Proportional to 157,351.60, 217,227.45 and 122,822.29

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Solution

The fourth proportional to 157,351.60, 217,227.45 and 122,822.29 is: 169,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,351.60 : 217,227.45 = 122,822.29 : x
  2. Step 2: Convert to fraction form
    157,351.60/217,227.45 = 122,822.29/x
  3. Step 3: Cross multiply
    157,351.60x = 217,227.45 × 122,822.29
  4. Step 4: Simplify right side
    157,351.60x = 26,680,373,591.98
  5. Step 5: Solve for x
    x = 26,680,373,591.98/157,351.60
  6. Step 6: Final answer
    x = 169,558.96

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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.