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Finding the Fourth Proportional to 80,573.54, 111,191.43 and 44,766.88

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Solution

The fourth proportional to 80,573.54, 111,191.43 and 44,766.88 is: 61,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,573.54 : 111,191.43 = 44,766.88 : x
  2. Step 2: Convert to fraction form
    80,573.54/111,191.43 = 44,766.88/x
  3. Step 3: Cross multiply
    80,573.54x = 111,191.43 × 44,766.88
  4. Step 4: Simplify right side
    80,573.54x = 4,977,693,293.74
  5. Step 5: Solve for x
    x = 4,977,693,293.74/80,573.54
  6. Step 6: Final answer
    x = 61,778.27

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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.