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Finding the Fourth Proportional to 111,330.70, 167,100.45 and 58,777.90

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Solution

The fourth proportional to 111,330.70, 167,100.45 and 58,777.90 is: 88,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,330.70 : 167,100.45 = 58,777.90 : x
  2. Step 2: Convert to fraction form
    111,330.70/167,100.45 = 58,777.90/x
  3. Step 3: Cross multiply
    111,330.70x = 167,100.45 × 58,777.90
  4. Step 4: Simplify right side
    111,330.70x = 9,821,813,540.06
  5. Step 5: Solve for x
    x = 9,821,813,540.06/111,330.70
  6. Step 6: Final answer
    x = 88,221.97

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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.