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Finding the Fourth Proportional to 168,987.62, 233,214.14 and 97,372.24

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Solution

The fourth proportional to 168,987.62, 233,214.14 and 97,372.24 is: 134,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,987.62 : 233,214.14 = 97,372.24 : x
  2. Step 2: Convert to fraction form
    168,987.62/233,214.14 = 97,372.24/x
  3. Step 3: Cross multiply
    168,987.62x = 233,214.14 × 97,372.24
  4. Step 4: Simplify right side
    168,987.62x = 22,708,582,871.87
  5. Step 5: Solve for x
    x = 22,708,582,871.87/168,987.62
  6. Step 6: Final answer
    x = 134,380.15

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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.