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Finding the Fourth Proportional to 157,352.73, 217,229.01 and 122,823.42

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Solution

The fourth proportional to 157,352.73, 217,229.01 and 122,823.42 is: 169,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,352.73 : 217,229.01 = 122,823.42 : x
  2. Step 2: Convert to fraction form
    157,352.73/217,229.01 = 122,823.42/x
  3. Step 3: Cross multiply
    157,352.73x = 217,229.01 × 122,823.42
  4. Step 4: Simplify right side
    157,352.73x = 26,680,808,656.22
  5. Step 5: Solve for x
    x = 26,680,808,656.22/157,352.73
  6. Step 6: Final answer
    x = 169,560.51

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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.