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Finding the Fourth Proportional to 80,426.69, 110,983.60 and 44,616.61

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Solution

The fourth proportional to 80,426.69, 110,983.60 and 44,616.61 is: 61,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,426.69 : 110,983.60 = 44,616.61 : x
  2. Step 2: Convert to fraction form
    80,426.69/110,983.60 = 44,616.61/x
  3. Step 3: Cross multiply
    80,426.69x = 110,983.60 × 44,616.61
  4. Step 4: Simplify right side
    80,426.69x = 4,951,712,192.10
  5. Step 5: Solve for x
    x = 4,951,712,192.10/80,426.69
  6. Step 6: Final answer
    x = 61,568.02

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1.5x scale

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.