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Finding the Fourth Proportional to 80,881, 111,602.65 and 46,882.85

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Solution

The fourth proportional to 80,881, 111,602.65 and 46,882.85 is: 64,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881 : 111,602.65 = 46,882.85 : x
  2. Step 2: Convert to fraction form
    80,881/111,602.65 = 46,882.85/x
  3. Step 3: Cross multiply
    80,881x = 111,602.65 × 46,882.85
  4. Step 4: Simplify right side
    80,881x = 5,232,250,578.56
  5. Step 5: Solve for x
    x = 5,232,250,578.56/80,881
  6. Step 6: Final answer
    x = 64,690.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.