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Finding the Fourth Proportional to 111,856.80, 167,749.62 and 36,962.96

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Solution

The fourth proportional to 111,856.80, 167,749.62 and 36,962.96 is: 55,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,856.80 : 167,749.62 = 36,962.96 : x
  2. Step 2: Convert to fraction form
    111,856.80/167,749.62 = 36,962.96/x
  3. Step 3: Cross multiply
    111,856.80x = 167,749.62 × 36,962.96
  4. Step 4: Simplify right side
    111,856.80x = 6,200,522,494.08
  5. Step 5: Solve for x
    x = 6,200,522,494.08/111,856.80
  6. Step 6: Final answer
    x = 55,432.68

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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.