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Finding the Fourth Proportional to 80,319.90, 110,838.68 and 44,513.25

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Solution

The fourth proportional to 80,319.90, 110,838.68 and 44,513.25 is: 61,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.90 : 110,838.68 = 44,513.25 : x
  2. Step 2: Convert to fraction form
    80,319.90/110,838.68 = 44,513.25/x
  3. Step 3: Cross multiply
    80,319.90x = 110,838.68 × 44,513.25
  4. Step 4: Simplify right side
    80,319.90x = 4,933,789,401.22
  5. Step 5: Solve for x
    x = 4,933,789,401.22/80,319.90
  6. Step 6: Final answer
    x = 61,426.73

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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.