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Finding the Fourth Proportional to 68,787.23, 103,180.23 and 22,040.10

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Solution

The fourth proportional to 68,787.23, 103,180.23 and 22,040.10 is: 33,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,787.23 : 103,180.23 = 22,040.10 : x
  2. Step 2: Convert to fraction form
    68,787.23/103,180.23 = 22,040.10/x
  3. Step 3: Cross multiply
    68,787.23x = 103,180.23 × 22,040.10
  4. Step 4: Simplify right side
    68,787.23x = 2,274,102,587.22
  5. Step 5: Solve for x
    x = 2,274,102,587.22/68,787.23
  6. Step 6: Final answer
    x = 33,059.96

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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.