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Finding the Fourth Proportional to 79,757.37, 119,454.69 and 61,844.49

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Solution

The fourth proportional to 79,757.37, 119,454.69 and 61,844.49 is: 92,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757.37 : 119,454.69 = 61,844.49 : x
  2. Step 2: Convert to fraction form
    79,757.37/119,454.69 = 61,844.49/x
  3. Step 3: Cross multiply
    79,757.37x = 119,454.69 × 61,844.49
  4. Step 4: Simplify right side
    79,757.37x = 7,387,614,381.16
  5. Step 5: Solve for x
    x = 7,387,614,381.16/79,757.37
  6. Step 6: Final answer
    x = 92,626.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.