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Finding the Fourth Proportional to 107,757.61, 161,691.08 and 48,580.11

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Solution

The fourth proportional to 107,757.61, 161,691.08 and 48,580.11 is: 72,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,757.61 : 161,691.08 = 48,580.11 : x
  2. Step 2: Convert to fraction form
    107,757.61/161,691.08 = 48,580.11/x
  3. Step 3: Cross multiply
    107,757.61x = 161,691.08 × 48,580.11
  4. Step 4: Simplify right side
    107,757.61x = 7,854,970,209.52
  5. Step 5: Solve for x
    x = 7,854,970,209.52/107,757.61
  6. Step 6: Final answer
    x = 72,894.81

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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.