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Finding the Fourth Proportional to 96,191.91, 132,744.50 and 53,750.43

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Solution

The fourth proportional to 96,191.91, 132,744.50 and 53,750.43 is: 74,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,191.91 : 132,744.50 = 53,750.43 : x
  2. Step 2: Convert to fraction form
    96,191.91/132,744.50 = 53,750.43/x
  3. Step 3: Cross multiply
    96,191.91x = 132,744.50 × 53,750.43
  4. Step 4: Simplify right side
    96,191.91x = 7,135,073,686.38
  5. Step 5: Solve for x
    x = 7,135,073,686.38/96,191.91
  6. Step 6: Final answer
    x = 74,175.40

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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.