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Finding the Fourth Proportional to 80,751.64, 111,436.16 and 44,941.66

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Solution

The fourth proportional to 80,751.64, 111,436.16 and 44,941.66 is: 62,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,751.64 : 111,436.16 = 44,941.66 : x
  2. Step 2: Convert to fraction form
    80,751.64/111,436.16 = 44,941.66/x
  3. Step 3: Cross multiply
    80,751.64x = 111,436.16 × 44,941.66
  4. Step 4: Simplify right side
    80,751.64x = 5,008,126,203.74
  5. Step 5: Solve for x
    x = 5,008,126,203.74/80,751.64
  6. Step 6: Final answer
    x = 62,018.88

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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.