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Finding the Fourth Proportional to 253,256.97, 379,760.63 and 88,925.44

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Solution

The fourth proportional to 253,256.97, 379,760.63 and 88,925.44 is: 133,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,256.97 : 379,760.63 = 88,925.44 : x
  2. Step 2: Convert to fraction form
    253,256.97/379,760.63 = 88,925.44/x
  3. Step 3: Cross multiply
    253,256.97x = 379,760.63 × 88,925.44
  4. Step 4: Simplify right side
    253,256.97x = 33,770,379,945.71
  5. Step 5: Solve for x
    x = 33,770,379,945.71/253,256.97
  6. Step 6: Final answer
    x = 133,344.33

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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.