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Finding the Fourth Proportional to 80,317.27, 110,838.49 and 44,507.88

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Solution

The fourth proportional to 80,317.27, 110,838.49 and 44,507.88 is: 61,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.27 : 110,838.49 = 44,507.88 : x
  2. Step 2: Convert to fraction form
    80,317.27/110,838.49 = 44,507.88/x
  3. Step 3: Cross multiply
    80,317.27x = 110,838.49 × 44,507.88
  4. Step 4: Simplify right side
    80,317.27x = 4,933,186,434.30
  5. Step 5: Solve for x
    x = 4,933,186,434.30/80,317.27
  6. Step 6: Final answer
    x = 61,421.24

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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.