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Finding the Fourth Proportional to 80,710.63, 111,380.13 and 44,414.28

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Solution

The fourth proportional to 80,710.63, 111,380.13 and 44,414.28 is: 61,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,710.63 : 111,380.13 = 44,414.28 : x
  2. Step 2: Convert to fraction form
    80,710.63/111,380.13 = 44,414.28/x
  3. Step 3: Cross multiply
    80,710.63x = 111,380.13 × 44,414.28
  4. Step 4: Simplify right side
    80,710.63x = 4,946,868,280.26
  5. Step 5: Solve for x
    x = 4,946,868,280.26/80,710.63
  6. Step 6: Final answer
    x = 61,291.41

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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.