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Finding the Fourth Proportional to 111,342.72, 167,202.24 and 110,482.56

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Solution

The fourth proportional to 111,342.72, 167,202.24 and 110,482.56 is: 165,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,342.72 : 167,202.24 = 110,482.56 : x
  2. Step 2: Convert to fraction form
    111,342.72/167,202.24 = 110,482.56/x
  3. Step 3: Cross multiply
    111,342.72x = 167,202.24 × 110,482.56
  4. Step 4: Simplify right side
    111,342.72x = 18,472,931,512.93
  5. Step 5: Solve for x
    x = 18,472,931,512.93/111,342.72
  6. Step 6: Final answer
    x = 165,910.55

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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.