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Finding the Fourth Proportional to 147,179.67, 220,791.11 and 47,306.94

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Solution

The fourth proportional to 147,179.67, 220,791.11 and 47,306.94 is: 70,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,179.67 : 220,791.11 = 47,306.94 : x
  2. Step 2: Convert to fraction form
    147,179.67/220,791.11 = 47,306.94/x
  3. Step 3: Cross multiply
    147,179.67x = 220,791.11 × 47,306.94
  4. Step 4: Simplify right side
    147,179.67x = 10,444,951,556.77
  5. Step 5: Solve for x
    x = 10,444,951,556.77/147,179.67
  6. Step 6: Final answer
    x = 70,967.35

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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.