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Finding the Fourth Proportional to 80,422.94, 110,988.93 and 44,616.89

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Solution

The fourth proportional to 80,422.94, 110,988.93 and 44,616.89 is: 61,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,422.94 : 110,988.93 = 44,616.89 : x
  2. Step 2: Convert to fraction form
    80,422.94/110,988.93 = 44,616.89/x
  3. Step 3: Cross multiply
    80,422.94x = 110,988.93 × 44,616.89
  4. Step 4: Simplify right side
    80,422.94x = 4,951,981,325.81
  5. Step 5: Solve for x
    x = 4,951,981,325.81/80,422.94
  6. Step 6: Final answer
    x = 61,574.24

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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.