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Finding the Fourth Proportional to 80,330.97, 110,853.72 and 44,521.59

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Solution

The fourth proportional to 80,330.97, 110,853.72 and 44,521.59 is: 61,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,330.97 : 110,853.72 = 44,521.59 : x
  2. Step 2: Convert to fraction form
    80,330.97/110,853.72 = 44,521.59/x
  3. Step 3: Cross multiply
    80,330.97x = 110,853.72 × 44,521.59
  4. Step 4: Simplify right side
    80,330.97x = 4,935,383,871.81
  5. Step 5: Solve for x
    x = 4,935,383,871.81/80,330.97
  6. Step 6: Final answer
    x = 61,438.12

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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.