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Finding the Fourth Proportional to 80,306.57, 110,823.93 and 44,008.04

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Solution

The fourth proportional to 80,306.57, 110,823.93 and 44,008.04 is: 60,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,306.57 : 110,823.93 = 44,008.04 : x
  2. Step 2: Convert to fraction form
    80,306.57/110,823.93 = 44,008.04/x
  3. Step 3: Cross multiply
    80,306.57x = 110,823.93 × 44,008.04
  4. Step 4: Simplify right side
    80,306.57x = 4,877,144,221.46
  5. Step 5: Solve for x
    x = 4,877,144,221.46/80,306.57
  6. Step 6: Final answer
    x = 60,731.57

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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.