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Finding the Fourth Proportional to 238,195.84, 356,768.88 and 132,753.28

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Solution

The fourth proportional to 238,195.84, 356,768.88 and 132,753.28 is: 198,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,195.84 : 356,768.88 = 132,753.28 : x
  2. Step 2: Convert to fraction form
    238,195.84/356,768.88 = 132,753.28/x
  3. Step 3: Cross multiply
    238,195.84x = 356,768.88 × 132,753.28
  4. Step 4: Simplify right side
    238,195.84x = 47,362,239,021.93
  5. Step 5: Solve for x
    x = 47,362,239,021.93/238,195.84
  6. Step 6: Final answer
    x = 198,837.39

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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.