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Finding the Fourth Proportional to 68,246.38, 94,188.18 and 39,952

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Solution

The fourth proportional to 68,246.38, 94,188.18 and 39,952 is: 55,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,246.38 : 94,188.18 = 39,952 : x
  2. Step 2: Convert to fraction form
    68,246.38/94,188.18 = 39,952/x
  3. Step 3: Cross multiply
    68,246.38x = 94,188.18 × 39,952
  4. Step 4: Simplify right side
    68,246.38x = 3,763,006,167.36
  5. Step 5: Solve for x
    x = 3,763,006,167.36/68,246.38
  6. Step 6: Final answer
    x = 55,138.55

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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.