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Finding the Fourth Proportional to 168,000.60, 251,655.30 and 115,469.40

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Solution

The fourth proportional to 168,000.60, 251,655.30 and 115,469.40 is: 172,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.60 : 251,655.30 = 115,469.40 : x
  2. Step 2: Convert to fraction form
    168,000.60/251,655.30 = 115,469.40/x
  3. Step 3: Cross multiply
    168,000.60x = 251,655.30 × 115,469.40
  4. Step 4: Simplify right side
    168,000.60x = 29,058,486,497.82
  5. Step 5: Solve for x
    x = 29,058,486,497.82/168,000.60
  6. Step 6: Final answer
    x = 172,966.56

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