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Finding the Fourth Proportional to 252,716.52, 379,076.01 and 102,958.26

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Solution

The fourth proportional to 252,716.52, 379,076.01 and 102,958.26 is: 154,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,716.52 : 379,076.01 = 102,958.26 : x
  2. Step 2: Convert to fraction form
    252,716.52/379,076.01 = 102,958.26/x
  3. Step 3: Cross multiply
    252,716.52x = 379,076.01 × 102,958.26
  4. Step 4: Simplify right side
    252,716.52x = 39,029,006,397.34
  5. Step 5: Solve for x
    x = 39,029,006,397.34/252,716.52
  6. Step 6: Final answer
    x = 154,437.89

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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.