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Finding the Fourth Proportional to 238,754.73, 329,528.31 and 136,848.48

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Solution

The fourth proportional to 238,754.73, 329,528.31 and 136,848.48 is: 188,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,754.73 : 329,528.31 = 136,848.48 : x
  2. Step 2: Convert to fraction form
    238,754.73/329,528.31 = 136,848.48/x
  3. Step 3: Cross multiply
    238,754.73x = 329,528.31 × 136,848.48
  4. Step 4: Simplify right side
    238,754.73x = 45,095,448,340.47
  5. Step 5: Solve for x
    x = 45,095,448,340.47/238,754.73
  6. Step 6: Final answer
    x = 188,877.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.