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Finding the Fourth Proportional to 80,414.80, 110,970.40 and 44,605.60

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Solution

The fourth proportional to 80,414.80, 110,970.40 and 44,605.60 is: 61,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,414.80 : 110,970.40 = 44,605.60 : x
  2. Step 2: Convert to fraction form
    80,414.80/110,970.40 = 44,605.60/x
  3. Step 3: Cross multiply
    80,414.80x = 110,970.40 × 44,605.60
  4. Step 4: Simplify right side
    80,414.80x = 4,949,901,274.24
  5. Step 5: Solve for x
    x = 4,949,901,274.24/80,414.80
  6. Step 6: Final answer
    x = 61,554.61

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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.