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Finding the Fourth Proportional to 173,245.28, 259,877.16 and 54,925.88

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Solution

The fourth proportional to 173,245.28, 259,877.16 and 54,925.88 is: 82,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,245.28 : 259,877.16 = 54,925.88 : x
  2. Step 2: Convert to fraction form
    173,245.28/259,877.16 = 54,925.88/x
  3. Step 3: Cross multiply
    173,245.28x = 259,877.16 × 54,925.88
  4. Step 4: Simplify right side
    173,245.28x = 14,273,981,704.90
  5. Step 5: Solve for x
    x = 14,273,981,704.90/173,245.28
  6. Step 6: Final answer
    x = 82,391.75

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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.