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Finding the Fourth Proportional to 108,838.44, 163,320.72 and 45,652.92

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Solution

The fourth proportional to 108,838.44, 163,320.72 and 45,652.92 is: 68,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,838.44 : 163,320.72 = 45,652.92 : x
  2. Step 2: Convert to fraction form
    108,838.44/163,320.72 = 45,652.92/x
  3. Step 3: Cross multiply
    108,838.44x = 163,320.72 × 45,652.92
  4. Step 4: Simplify right side
    108,838.44x = 7,456,067,764.50
  5. Step 5: Solve for x
    x = 7,456,067,764.50/108,838.44
  6. Step 6: Final answer
    x = 68,505.83

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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.