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Finding the Fourth Proportional to 109,250.66, 150,765.84 and 63,937.28

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Solution

The fourth proportional to 109,250.66, 150,765.84 and 63,937.28 is: 88,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,250.66 : 150,765.84 = 63,937.28 : x
  2. Step 2: Convert to fraction form
    109,250.66/150,765.84 = 63,937.28/x
  3. Step 3: Cross multiply
    109,250.66x = 150,765.84 × 63,937.28
  4. Step 4: Simplify right side
    109,250.66x = 9,639,558,103.43
  5. Step 5: Solve for x
    x = 9,639,558,103.43/109,250.66
  6. Step 6: Final answer
    x = 88,233.41

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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.