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Finding the Fourth Proportional to 80,107.21, 110,543.52 and 44,294.86

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Solution

The fourth proportional to 80,107.21, 110,543.52 and 44,294.86 is: 61,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,107.21 : 110,543.52 = 44,294.86 : x
  2. Step 2: Convert to fraction form
    80,107.21/110,543.52 = 44,294.86/x
  3. Step 3: Cross multiply
    80,107.21x = 110,543.52 × 44,294.86
  4. Step 4: Simplify right side
    80,107.21x = 4,896,509,742.31
  5. Step 5: Solve for x
    x = 4,896,509,742.31/80,107.21
  6. Step 6: Final answer
    x = 61,124.46

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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.