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Finding the Fourth Proportional to 236,978.96, 327,031.24 and 136,377.04

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Solution

The fourth proportional to 236,978.96, 327,031.24 and 136,377.04 is: 188,200.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,978.96 : 327,031.24 = 136,377.04 : x
  2. Step 2: Convert to fraction form
    236,978.96/327,031.24 = 136,377.04/x
  3. Step 3: Cross multiply
    236,978.96x = 327,031.24 × 136,377.04
  4. Step 4: Simplify right side
    236,978.96x = 44,599,552,498.73
  5. Step 5: Solve for x
    x = 44,599,552,498.73/236,978.96
  6. Step 6: Final answer
    x = 188,200.47

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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.