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Finding the Fourth Proportional to 80,426.31, 110,983.08 and 44,616.23

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Solution

The fourth proportional to 80,426.31, 110,983.08 and 44,616.23 is: 61,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,426.31 : 110,983.08 = 44,616.23 : x
  2. Step 2: Convert to fraction form
    80,426.31/110,983.08 = 44,616.23/x
  3. Step 3: Cross multiply
    80,426.31x = 110,983.08 × 44,616.23
  4. Step 4: Simplify right side
    80,426.31x = 4,951,646,900.85
  5. Step 5: Solve for x
    x = 4,951,646,900.85/80,426.31
  6. Step 6: Final answer
    x = 61,567.50

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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.