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Finding the Fourth Proportional to 80,297.28, 110,798.92 and 44,489.40

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Solution

The fourth proportional to 80,297.28, 110,798.92 and 44,489.40 is: 61,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.28 : 110,798.92 = 44,489.40 : x
  2. Step 2: Convert to fraction form
    80,297.28/110,798.92 = 44,489.40/x
  3. Step 3: Cross multiply
    80,297.28x = 110,798.92 × 44,489.40
  4. Step 4: Simplify right side
    80,297.28x = 4,929,377,471.45
  5. Step 5: Solve for x
    x = 4,929,377,471.45/80,297.28
  6. Step 6: Final answer
    x = 61,389.10

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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.