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Finding the Fourth Proportional to 111,593.55, 154,025.88 and 63,874.56

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Solution

The fourth proportional to 111,593.55, 154,025.88 and 63,874.56 is: 88,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,593.55 : 154,025.88 = 63,874.56 : x
  2. Step 2: Convert to fraction form
    111,593.55/154,025.88 = 63,874.56/x
  3. Step 3: Cross multiply
    111,593.55x = 154,025.88 × 63,874.56
  4. Step 4: Simplify right side
    111,593.55x = 9,838,335,313.61
  5. Step 5: Solve for x
    x = 9,838,335,313.61/111,593.55
  6. Step 6: Final answer
    x = 88,162.22

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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.