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Finding the Fourth Proportional to 73,375.50, 101,258.20 and 39,841.50

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Solution

The fourth proportional to 73,375.50, 101,258.20 and 39,841.50 is: 54,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,375.50 : 101,258.20 = 39,841.50 : x
  2. Step 2: Convert to fraction form
    73,375.50/101,258.20 = 39,841.50/x
  3. Step 3: Cross multiply
    73,375.50x = 101,258.20 × 39,841.50
  4. Step 4: Simplify right side
    73,375.50x = 4,034,278,575.30
  5. Step 5: Solve for x
    x = 4,034,278,575.30/73,375.50
  6. Step 6: Final answer
    x = 54,981.28

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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.