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Finding the Fourth Proportional to 80,573.85, 111,193.90 and 44,275

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Solution

The fourth proportional to 80,573.85, 111,193.90 and 44,275 is: 61,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,573.85 : 111,193.90 = 44,275 : x
  2. Step 2: Convert to fraction form
    80,573.85/111,193.90 = 44,275/x
  3. Step 3: Cross multiply
    80,573.85x = 111,193.90 × 44,275
  4. Step 4: Simplify right side
    80,573.85x = 4,923,109,701.13
  5. Step 5: Solve for x
    x = 4,923,109,701.13/80,573.85
  6. Step 6: Final answer
    x = 61,100.59

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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.