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Finding the Fourth Proportional to 80,329.60, 110,855.08 and 44,520.20

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Solution

The fourth proportional to 80,329.60, 110,855.08 and 44,520.20 is: 61,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.60 : 110,855.08 = 44,520.20 : x
  2. Step 2: Convert to fraction form
    80,329.60/110,855.08 = 44,520.20/x
  3. Step 3: Cross multiply
    80,329.60x = 110,855.08 × 44,520.20
  4. Step 4: Simplify right side
    80,329.60x = 4,935,290,332.62
  5. Step 5: Solve for x
    x = 4,935,290,332.62/80,329.60
  6. Step 6: Final answer
    x = 61,438.00

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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.