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Finding the Fourth Proportional to 69,736, 96,101.28 and 44,541.76

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Solution

The fourth proportional to 69,736, 96,101.28 and 44,541.76 is: 61,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,736 : 96,101.28 = 44,541.76 : x
  2. Step 2: Convert to fraction form
    69,736/96,101.28 = 44,541.76/x
  3. Step 3: Cross multiply
    69,736x = 96,101.28 × 44,541.76
  4. Step 4: Simplify right side
    69,736x = 4,280,520,149.45
  5. Step 5: Solve for x
    x = 4,280,520,149.45/69,736
  6. Step 6: Final answer
    x = 61,381.78

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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.