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Finding the Fourth Proportional to 68,162.78, 94,062.80 and 37,948.11

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Solution

The fourth proportional to 68,162.78, 94,062.80 and 37,948.11 is: 52,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,162.78 : 94,062.80 = 37,948.11 : x
  2. Step 2: Convert to fraction form
    68,162.78/94,062.80 = 37,948.11/x
  3. Step 3: Cross multiply
    68,162.78x = 94,062.80 × 37,948.11
  4. Step 4: Simplify right side
    68,162.78x = 3,569,505,291.57
  5. Step 5: Solve for x
    x = 3,569,505,291.57/68,162.78
  6. Step 6: Final answer
    x = 52,367.37

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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.