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Finding the Fourth Proportional to 68,897.26, 103,346.93 and 23,920.04

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Solution

The fourth proportional to 68,897.26, 103,346.93 and 23,920.04 is: 35,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,897.26 : 103,346.93 = 23,920.04 : x
  2. Step 2: Convert to fraction form
    68,897.26/103,346.93 = 23,920.04/x
  3. Step 3: Cross multiply
    68,897.26x = 103,346.93 × 23,920.04
  4. Step 4: Simplify right side
    68,897.26x = 2,472,062,579.88
  5. Step 5: Solve for x
    x = 2,472,062,579.88/68,897.26
  6. Step 6: Final answer
    x = 35,880.42

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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.