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Finding the Fourth Proportional to 100,378.38, 150,625.88 and 44,974.38

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Solution

The fourth proportional to 100,378.38, 150,625.88 and 44,974.38 is: 67,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,378.38 : 150,625.88 = 44,974.38 : x
  2. Step 2: Convert to fraction form
    100,378.38/150,625.88 = 44,974.38/x
  3. Step 3: Cross multiply
    100,378.38x = 150,625.88 × 44,974.38
  4. Step 4: Simplify right side
    100,378.38x = 6,774,305,564.95
  5. Step 5: Solve for x
    x = 6,774,305,564.95/100,378.38
  6. Step 6: Final answer
    x = 67,487.70

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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.