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Finding the Fourth Proportional to 89,594.67, 123,638.01 and 49,308.41

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Solution

The fourth proportional to 89,594.67, 123,638.01 and 49,308.41 is: 68,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,594.67 : 123,638.01 = 49,308.41 : x
  2. Step 2: Convert to fraction form
    89,594.67/123,638.01 = 49,308.41/x
  3. Step 3: Cross multiply
    89,594.67x = 123,638.01 × 49,308.41
  4. Step 4: Simplify right side
    89,594.67x = 6,096,393,193.75
  5. Step 5: Solve for x
    x = 6,096,393,193.75/89,594.67
  6. Step 6: Final answer
    x = 68,044.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.