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Finding the Fourth Proportional to 80,104.48, 110,592.15 and 49,930.67

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Solution

The fourth proportional to 80,104.48, 110,592.15 and 49,930.67 is: 68,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,104.48 : 110,592.15 = 49,930.67 : x
  2. Step 2: Convert to fraction form
    80,104.48/110,592.15 = 49,930.67/x
  3. Step 3: Cross multiply
    80,104.48x = 110,592.15 × 49,930.67
  4. Step 4: Simplify right side
    80,104.48x = 5,521,940,235.48
  5. Step 5: Solve for x
    x = 5,521,940,235.48/80,104.48
  6. Step 6: Final answer
    x = 68,934.23

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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.