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Finding the Fourth Proportional to 80,489.84, 111,064.10 and 44,680.14

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Solution

The fourth proportional to 80,489.84, 111,064.10 and 44,680.14 is: 61,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,489.84 : 111,064.10 = 44,680.14 : x
  2. Step 2: Convert to fraction form
    80,489.84/111,064.10 = 44,680.14/x
  3. Step 3: Cross multiply
    80,489.84x = 111,064.10 × 44,680.14
  4. Step 4: Simplify right side
    80,489.84x = 4,962,359,313.57
  5. Step 5: Solve for x
    x = 4,962,359,313.57/80,489.84
  6. Step 6: Final answer
    x = 61,652.00

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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.