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Finding the Fourth Proportional to 63,166.68, 87,175.35 and 36,318.42

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Solution

The fourth proportional to 63,166.68, 87,175.35 and 36,318.42 is: 50,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,166.68 : 87,175.35 = 36,318.42 : x
  2. Step 2: Convert to fraction form
    63,166.68/87,175.35 = 36,318.42/x
  3. Step 3: Cross multiply
    63,166.68x = 87,175.35 × 36,318.42
  4. Step 4: Simplify right side
    63,166.68x = 3,166,070,974.95
  5. Step 5: Solve for x
    x = 3,166,070,974.95/63,166.68
  6. Step 6: Final answer
    x = 50,122.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.