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Finding the Fourth Proportional to 80,188.98, 110,659.26 and 44,379.01

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Solution

The fourth proportional to 80,188.98, 110,659.26 and 44,379.01 is: 61,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,188.98 : 110,659.26 = 44,379.01 : x
  2. Step 2: Convert to fraction form
    80,188.98/110,659.26 = 44,379.01/x
  3. Step 3: Cross multiply
    80,188.98x = 110,659.26 × 44,379.01
  4. Step 4: Simplify right side
    80,188.98x = 4,910,948,406.13
  5. Step 5: Solve for x
    x = 4,910,948,406.13/80,188.98
  6. Step 6: Final answer
    x = 61,242.19

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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.