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Finding the Fourth Proportional to 80,994.94, 111,773.01 and 45,184.94

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Solution

The fourth proportional to 80,994.94, 111,773.01 and 45,184.94 is: 62,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,994.94 : 111,773.01 = 45,184.94 : x
  2. Step 2: Convert to fraction form
    80,994.94/111,773.01 = 45,184.94/x
  3. Step 3: Cross multiply
    80,994.94x = 111,773.01 × 45,184.94
  4. Step 4: Simplify right side
    80,994.94x = 5,050,456,780.20
  5. Step 5: Solve for x
    x = 5,050,456,780.20/80,994.94
  6. Step 6: Final answer
    x = 62,355.22

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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.