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Finding the Fourth Proportional to 86,914.50, 119,954.17 and 62,793.54

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Solution

The fourth proportional to 86,914.50, 119,954.17 and 62,793.54 is: 86,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.50 : 119,954.17 = 62,793.54 : x
  2. Step 2: Convert to fraction form
    86,914.50/119,954.17 = 62,793.54/x
  3. Step 3: Cross multiply
    86,914.50x = 119,954.17 × 62,793.54
  4. Step 4: Simplify right side
    86,914.50x = 7,532,346,600.73
  5. Step 5: Solve for x
    x = 7,532,346,600.73/86,914.50
  6. Step 6: Final answer
    x = 86,663.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.