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Finding the Fourth Proportional to 165,750.60, 248,723.10 and 60,580.20

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Solution

The fourth proportional to 165,750.60, 248,723.10 and 60,580.20 is: 90,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,750.60 : 248,723.10 = 60,580.20 : x
  2. Step 2: Convert to fraction form
    165,750.60/248,723.10 = 60,580.20/x
  3. Step 3: Cross multiply
    165,750.60x = 248,723.10 × 60,580.20
  4. Step 4: Simplify right side
    165,750.60x = 15,067,695,142.62
  5. Step 5: Solve for x
    x = 15,067,695,142.62/165,750.60
  6. Step 6: Final answer
    x = 90,905.83

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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.