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Finding the Fourth Proportional to 80,462.82, 111,039.90 and 44,655.14

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Solution

The fourth proportional to 80,462.82, 111,039.90 and 44,655.14 is: 61,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,462.82 : 111,039.90 = 44,655.14 : x
  2. Step 2: Convert to fraction form
    80,462.82/111,039.90 = 44,655.14/x
  3. Step 3: Cross multiply
    80,462.82x = 111,039.90 × 44,655.14
  4. Step 4: Simplify right side
    80,462.82x = 4,958,502,280.09
  5. Step 5: Solve for x
    x = 4,958,502,280.09/80,462.82
  6. Step 6: Final answer
    x = 61,624.76

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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.