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Finding the Fourth Proportional to 60,578.54, 90,906.69 and 29,396.78

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Solution

The fourth proportional to 60,578.54, 90,906.69 and 29,396.78 is: 44,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.54 : 90,906.69 = 29,396.78 : x
  2. Step 2: Convert to fraction form
    60,578.54/90,906.69 = 29,396.78/x
  3. Step 3: Cross multiply
    60,578.54x = 90,906.69 × 29,396.78
  4. Step 4: Simplify right side
    60,578.54x = 2,672,363,966.46
  5. Step 5: Solve for x
    x = 2,672,363,966.46/60,578.54
  6. Step 6: Final answer
    x = 44,114.04

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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.