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Finding the Fourth Proportional to 108,086.75, 162,017.12 and 36,985.52

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Solution

The fourth proportional to 108,086.75, 162,017.12 and 36,985.52 is: 55,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,086.75 : 162,017.12 = 36,985.52 : x
  2. Step 2: Convert to fraction form
    108,086.75/162,017.12 = 36,985.52/x
  3. Step 3: Cross multiply
    108,086.75x = 162,017.12 × 36,985.52
  4. Step 4: Simplify right side
    108,086.75x = 5,992,287,247.17
  5. Step 5: Solve for x
    x = 5,992,287,247.17/108,086.75
  6. Step 6: Final answer
    x = 55,439.61

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1.5x scale

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.