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Finding the Fourth Proportional to 154,027.62, 231,049.62 and 48,854.79

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Solution

The fourth proportional to 154,027.62, 231,049.62 and 48,854.79 is: 73,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,027.62 : 231,049.62 = 48,854.79 : x
  2. Step 2: Convert to fraction form
    154,027.62/231,049.62 = 48,854.79/x
  3. Step 3: Cross multiply
    154,027.62x = 231,049.62 × 48,854.79
  4. Step 4: Simplify right side
    154,027.62x = 11,287,880,664.68
  5. Step 5: Solve for x
    x = 11,287,880,664.68/154,027.62
  6. Step 6: Final answer
    x = 73,284.78

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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.