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Finding the Fourth Proportional to 62,494.80, 86,242.50 and 34,200.96

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Solution

The fourth proportional to 62,494.80, 86,242.50 and 34,200.96 is: 47,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,494.80 : 86,242.50 = 34,200.96 : x
  2. Step 2: Convert to fraction form
    62,494.80/86,242.50 = 34,200.96/x
  3. Step 3: Cross multiply
    62,494.80x = 86,242.50 × 34,200.96
  4. Step 4: Simplify right side
    62,494.80x = 2,949,576,292.80
  5. Step 5: Solve for x
    x = 2,949,576,292.80/62,494.80
  6. Step 6: Final answer
    x = 47,197.15

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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.