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Finding the Fourth Proportional to 108,252.60, 162,480.15 and 54,982.68

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Solution

The fourth proportional to 108,252.60, 162,480.15 and 54,982.68 is: 82,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,252.60 : 162,480.15 = 54,982.68 : x
  2. Step 2: Convert to fraction form
    108,252.60/162,480.15 = 54,982.68/x
  3. Step 3: Cross multiply
    108,252.60x = 162,480.15 × 54,982.68
  4. Step 4: Simplify right side
    108,252.60x = 8,933,594,093.80
  5. Step 5: Solve for x
    x = 8,933,594,093.80/108,252.60
  6. Step 6: Final answer
    x = 82,525.45

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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.