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Finding the Fourth Proportional to 80,280.67, 110,764.72 and 46,286.49

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Solution

The fourth proportional to 80,280.67, 110,764.72 and 46,286.49 is: 63,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.67 : 110,764.72 = 46,286.49 : x
  2. Step 2: Convert to fraction form
    80,280.67/110,764.72 = 46,286.49/x
  3. Step 3: Cross multiply
    80,280.67x = 110,764.72 × 46,286.49
  4. Step 4: Simplify right side
    80,280.67x = 5,126,909,694.45
  5. Step 5: Solve for x
    x = 5,126,909,694.45/80,280.67
  6. Step 6: Final answer
    x = 63,862.32

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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.