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Finding the Fourth Proportional to 238,063.76, 356,921.24 and 88,304.78

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Solution

The fourth proportional to 238,063.76, 356,921.24 and 88,304.78 is: 132,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,063.76 : 356,921.24 = 88,304.78 : x
  2. Step 2: Convert to fraction form
    238,063.76/356,921.24 = 88,304.78/x
  3. Step 3: Cross multiply
    238,063.76x = 356,921.24 × 88,304.78
  4. Step 4: Simplify right side
    238,063.76x = 31,517,852,026.31
  5. Step 5: Solve for x
    x = 31,517,852,026.31/238,063.76
  6. Step 6: Final answer
    x = 132,392.48

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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.