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Finding the Fourth Proportional to 111,848.60, 167,715.30 and 41,691.80

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Solution

The fourth proportional to 111,848.60, 167,715.30 and 41,691.80 is: 62,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,848.60 : 167,715.30 = 41,691.80 : x
  2. Step 2: Convert to fraction form
    111,848.60/167,715.30 = 41,691.80/x
  3. Step 3: Cross multiply
    111,848.60x = 167,715.30 × 41,691.80
  4. Step 4: Simplify right side
    111,848.60x = 6,992,352,744.54
  5. Step 5: Solve for x
    x = 6,992,352,744.54/111,848.60
  6. Step 6: Final answer
    x = 62,516.23

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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.