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Finding the Fourth Proportional to 68,326.71, 102,521.72 and 26,192.71

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Solution

The fourth proportional to 68,326.71, 102,521.72 and 26,192.71 is: 39,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,326.71 : 102,521.72 = 26,192.71 : x
  2. Step 2: Convert to fraction form
    68,326.71/102,521.72 = 26,192.71/x
  3. Step 3: Cross multiply
    68,326.71x = 102,521.72 × 26,192.71
  4. Step 4: Simplify right side
    68,326.71x = 2,685,321,549.70
  5. Step 5: Solve for x
    x = 2,685,321,549.70/68,326.71
  6. Step 6: Final answer
    x = 39,301.20

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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.