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Finding the Fourth Proportional to 80,310.80, 110,828.70 and 44,500.43

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Solution

The fourth proportional to 80,310.80, 110,828.70 and 44,500.43 is: 61,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,310.80 : 110,828.70 = 44,500.43 : x
  2. Step 2: Convert to fraction form
    80,310.80/110,828.70 = 44,500.43/x
  3. Step 3: Cross multiply
    80,310.80x = 110,828.70 × 44,500.43
  4. Step 4: Simplify right side
    80,310.80x = 4,931,924,252.20
  5. Step 5: Solve for x
    x = 4,931,924,252.20/80,310.80
  6. Step 6: Final answer
    x = 61,410.48

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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.