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Finding the Fourth Proportional to 80,195.84, 110,676.16 and 44,387.20

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Solution

The fourth proportional to 80,195.84, 110,676.16 and 44,387.20 is: 61,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,195.84 : 110,676.16 = 44,387.20 : x
  2. Step 2: Convert to fraction form
    80,195.84/110,676.16 = 44,387.20/x
  3. Step 3: Cross multiply
    80,195.84x = 110,676.16 × 44,387.20
  4. Step 4: Simplify right side
    80,195.84x = 4,912,604,849.15
  5. Step 5: Solve for x
    x = 4,912,604,849.15/80,195.84
  6. Step 6: Final answer
    x = 61,257.60

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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.