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Finding the Fourth Proportional to 172,714.74, 258,593.76 and 88,293.18

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Solution

The fourth proportional to 172,714.74, 258,593.76 and 88,293.18 is: 132,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,714.74 : 258,593.76 = 88,293.18 : x
  2. Step 2: Convert to fraction form
    172,714.74/258,593.76 = 88,293.18/x
  3. Step 3: Cross multiply
    172,714.74x = 258,593.76 × 88,293.18
  4. Step 4: Simplify right side
    172,714.74x = 22,832,065,398.56
  5. Step 5: Solve for x
    x = 22,832,065,398.56/172,714.74
  6. Step 6: Final answer
    x = 132,195.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.