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Finding the Fourth Proportional to 68,008.40, 101,941.42 and 25,862.14

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Solution

The fourth proportional to 68,008.40, 101,941.42 and 25,862.14 is: 38,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,008.40 : 101,941.42 = 25,862.14 : x
  2. Step 2: Convert to fraction form
    68,008.40/101,941.42 = 25,862.14/x
  3. Step 3: Cross multiply
    68,008.40x = 101,941.42 × 25,862.14
  4. Step 4: Simplify right side
    68,008.40x = 2,636,423,275.84
  5. Step 5: Solve for x
    x = 2,636,423,275.84/68,008.40
  6. Step 6: Final answer
    x = 38,766.14

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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.