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Finding the Fourth Proportional to 68,669.88, 103,005.46 and 24,304.15

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Solution

The fourth proportional to 68,669.88, 103,005.46 and 24,304.15 is: 36,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669.88 : 103,005.46 = 24,304.15 : x
  2. Step 2: Convert to fraction form
    68,669.88/103,005.46 = 24,304.15/x
  3. Step 3: Cross multiply
    68,669.88x = 103,005.46 × 24,304.15
  4. Step 4: Simplify right side
    68,669.88x = 2,503,460,029.14
  5. Step 5: Solve for x
    x = 2,503,460,029.14/68,669.88
  6. Step 6: Final answer
    x = 36,456.45

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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.