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Finding the Fourth Proportional to 68,496.04, 102,687.90 and 26,367.40

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Solution

The fourth proportional to 68,496.04, 102,687.90 and 26,367.40 is: 39,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,496.04 : 102,687.90 = 26,367.40 : x
  2. Step 2: Convert to fraction form
    68,496.04/102,687.90 = 26,367.40/x
  3. Step 3: Cross multiply
    68,496.04x = 102,687.90 × 26,367.40
  4. Step 4: Simplify right side
    68,496.04x = 2,707,612,934.46
  5. Step 5: Solve for x
    x = 2,707,612,934.46/68,496.04
  6. Step 6: Final answer
    x = 39,529.48

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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.