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Finding the Fourth Proportional to 62,471.67, 86,212.16 and 34,177.97

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Solution

The fourth proportional to 62,471.67, 86,212.16 and 34,177.97 is: 47,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.67 : 86,212.16 = 34,177.97 : x
  2. Step 2: Convert to fraction form
    62,471.67/86,212.16 = 34,177.97/x
  3. Step 3: Cross multiply
    62,471.67x = 86,212.16 × 34,177.97
  4. Step 4: Simplify right side
    62,471.67x = 2,946,556,498.23
  5. Step 5: Solve for x
    x = 2,946,556,498.23/62,471.67
  6. Step 6: Final answer
    x = 47,166.28

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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.