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Finding the Fourth Proportional to 68,801, 103,206.38 and 27,248

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Solution

The fourth proportional to 68,801, 103,206.38 and 27,248 is: 40,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801 : 103,206.38 = 27,248 : x
  2. Step 2: Convert to fraction form
    68,801/103,206.38 = 27,248/x
  3. Step 3: Cross multiply
    68,801x = 103,206.38 × 27,248
  4. Step 4: Simplify right side
    68,801x = 2,812,167,442.24
  5. Step 5: Solve for x
    x = 2,812,167,442.24/68,801
  6. Step 6: Final answer
    x = 40,873.93

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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.