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Finding the Fourth Proportional to 238,754.85, 329,528.48 and 136,848.61

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Solution

The fourth proportional to 238,754.85, 329,528.48 and 136,848.61 is: 188,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,754.85 : 329,528.48 = 136,848.61 : x
  2. Step 2: Convert to fraction form
    238,754.85/329,528.48 = 136,848.61/x
  3. Step 3: Cross multiply
    238,754.85x = 329,528.48 × 136,848.61
  4. Step 4: Simplify right side
    238,754.85x = 45,095,514,443.41
  5. Step 5: Solve for x
    x = 45,095,514,443.41/238,754.85
  6. Step 6: Final answer
    x = 188,877.90

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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.