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Finding the Fourth Proportional to 68,162.11, 102,248.63 and 23,787.88

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Solution

The fourth proportional to 68,162.11, 102,248.63 and 23,787.88 is: 35,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,162.11 : 102,248.63 = 23,787.88 : x
  2. Step 2: Convert to fraction form
    68,162.11/102,248.63 = 23,787.88/x
  3. Step 3: Cross multiply
    68,162.11x = 102,248.63 × 23,787.88
  4. Step 4: Simplify right side
    68,162.11x = 2,432,277,855.25
  5. Step 5: Solve for x
    x = 2,432,277,855.25/68,162.11
  6. Step 6: Final answer
    x = 35,683.72

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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.