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Finding the Fourth Proportional to 100,372.50, 150,617.07 and 44,968.50

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Solution

The fourth proportional to 100,372.50, 150,617.07 and 44,968.50 is: 67,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,372.50 : 150,617.07 = 44,968.50 : x
  2. Step 2: Convert to fraction form
    100,372.50/150,617.07 = 44,968.50/x
  3. Step 3: Cross multiply
    100,372.50x = 150,617.07 × 44,968.50
  4. Step 4: Simplify right side
    100,372.50x = 6,773,023,712.30
  5. Step 5: Solve for x
    x = 6,773,023,712.30/100,372.50
  6. Step 6: Final answer
    x = 67,478.88

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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.