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Finding the Fourth Proportional to 107,853.87, 161,676.32 and 41,242.71

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Solution

The fourth proportional to 107,853.87, 161,676.32 and 41,242.71 is: 61,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853.87 : 161,676.32 = 41,242.71 : x
  2. Step 2: Convert to fraction form
    107,853.87/161,676.32 = 41,242.71/x
  3. Step 3: Cross multiply
    107,853.87x = 161,676.32 × 41,242.71
  4. Step 4: Simplify right side
    107,853.87x = 6,667,969,373.41
  5. Step 5: Solve for x
    x = 6,667,969,373.41/107,853.87
  6. Step 6: Final answer
    x = 61,824.11

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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.