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Finding the Fourth Proportional to 154,110.88, 231,100.68 and 60,551

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Solution

The fourth proportional to 154,110.88, 231,100.68 and 60,551 is: 90,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,110.88 : 231,100.68 = 60,551 : x
  2. Step 2: Convert to fraction form
    154,110.88/231,100.68 = 60,551/x
  3. Step 3: Cross multiply
    154,110.88x = 231,100.68 × 60,551
  4. Step 4: Simplify right side
    154,110.88x = 13,993,377,274.68
  5. Step 5: Solve for x
    x = 13,993,377,274.68/154,110.88
  6. Step 6: Final answer
    x = 90,800.71

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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.