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Finding the Fourth Proportional to 107,672.36, 161,523.32 and 36,575.92

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Solution

The fourth proportional to 107,672.36, 161,523.32 and 36,575.92 is: 54,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,672.36 : 161,523.32 = 36,575.92 : x
  2. Step 2: Convert to fraction form
    107,672.36/161,523.32 = 36,575.92/x
  3. Step 3: Cross multiply
    107,672.36x = 161,523.32 × 36,575.92
  4. Step 4: Simplify right side
    107,672.36x = 5,907,863,718.09
  5. Step 5: Solve for x
    x = 5,907,863,718.09/107,672.36
  6. Step 6: Final answer
    x = 54,868.90

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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.