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Finding the Fourth Proportional to 168,617.52, 232,739.10 and 97,020.61

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Solution

The fourth proportional to 168,617.52, 232,739.10 and 97,020.61 is: 133,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,617.52 : 232,739.10 = 97,020.61 : x
  2. Step 2: Convert to fraction form
    168,617.52/232,739.10 = 97,020.61/x
  3. Step 3: Cross multiply
    168,617.52x = 232,739.10 × 97,020.61
  4. Step 4: Simplify right side
    168,617.52x = 22,580,488,871.00
  5. Step 5: Solve for x
    x = 22,580,488,871.00/168,617.52
  6. Step 6: Final answer
    x = 133,915.44

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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.