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Finding the Fourth Proportional to 159,203.27, 219,791.17 and 105,560.82

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Solution

The fourth proportional to 159,203.27, 219,791.17 and 105,560.82 is: 145,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,203.27 : 219,791.17 = 105,560.82 : x
  2. Step 2: Convert to fraction form
    159,203.27/219,791.17 = 105,560.82/x
  3. Step 3: Cross multiply
    159,203.27x = 219,791.17 × 105,560.82
  4. Step 4: Simplify right side
    159,203.27x = 23,201,336,265.91
  5. Step 5: Solve for x
    x = 23,201,336,265.91/159,203.27
  6. Step 6: Final answer
    x = 145,734.04

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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.