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Finding the Fourth Proportional to 167,930.40, 251,809.20 and 62,695.20

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Solution

The fourth proportional to 167,930.40, 251,809.20 and 62,695.20 is: 94,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.40 : 251,809.20 = 62,695.20 : x
  2. Step 2: Convert to fraction form
    167,930.40/251,809.20 = 62,695.20/x
  3. Step 3: Cross multiply
    167,930.40x = 251,809.20 × 62,695.20
  4. Step 4: Simplify right side
    167,930.40x = 15,787,228,155.84
  5. Step 5: Solve for x
    x = 15,787,228,155.84/167,930.40
  6. Step 6: Final answer
    x = 94,010.54

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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.