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Finding the Fourth Proportional to 96,791.72, 133,569.11 and 54,352.04

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Solution

The fourth proportional to 96,791.72, 133,569.11 and 54,352.04 is: 75,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,791.72 : 133,569.11 = 54,352.04 : x
  2. Step 2: Convert to fraction form
    96,791.72/133,569.11 = 54,352.04/x
  3. Step 3: Cross multiply
    96,791.72x = 133,569.11 × 54,352.04
  4. Step 4: Simplify right side
    96,791.72x = 7,259,753,609.48
  5. Step 5: Solve for x
    x = 7,259,753,609.48/96,791.72
  6. Step 6: Final answer
    x = 75,003.87

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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.