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Finding the Fourth Proportional to 80,319.90, 110,839.77 and 44,509.62

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Solution

The fourth proportional to 80,319.90, 110,839.77 and 44,509.62 is: 61,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.90 : 110,839.77 = 44,509.62 : x
  2. Step 2: Convert to fraction form
    80,319.90/110,839.77 = 44,509.62/x
  3. Step 3: Cross multiply
    80,319.90x = 110,839.77 × 44,509.62
  4. Step 4: Simplify right side
    80,319.90x = 4,933,436,043.59
  5. Step 5: Solve for x
    x = 4,933,436,043.59/80,319.90
  6. Step 6: Final answer
    x = 61,422.34

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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.