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Finding the Fourth Proportional to 168,731.01, 232,863.19 and 96,156.10

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Solution

The fourth proportional to 168,731.01, 232,863.19 and 96,156.10 is: 132,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,731.01 : 232,863.19 = 96,156.10 : x
  2. Step 2: Convert to fraction form
    168,731.01/232,863.19 = 96,156.10/x
  3. Step 3: Cross multiply
    168,731.01x = 232,863.19 × 96,156.10
  4. Step 4: Simplify right side
    168,731.01x = 22,391,215,465.67
  5. Step 5: Solve for x
    x = 22,391,215,465.67/168,731.01
  6. Step 6: Final answer
    x = 132,703.62

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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.