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Finding the Fourth Proportional to 71,175.39, 106,754.37 and 44,523.72

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Solution

The fourth proportional to 71,175.39, 106,754.37 and 44,523.72 is: 66,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,175.39 : 106,754.37 = 44,523.72 : x
  2. Step 2: Convert to fraction form
    71,175.39/106,754.37 = 44,523.72/x
  3. Step 3: Cross multiply
    71,175.39x = 106,754.37 × 44,523.72
  4. Step 4: Simplify right side
    71,175.39x = 4,753,101,678.66
  5. Step 5: Solve for x
    x = 4,753,101,678.66/71,175.39
  6. Step 6: Final answer
    x = 66,780.13

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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.