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Finding the Fourth Proportional to 247,691.52, 341,956.02 and 163,054.64

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Solution

The fourth proportional to 247,691.52, 341,956.02 and 163,054.64 is: 225,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,691.52 : 341,956.02 = 163,054.64 : x
  2. Step 2: Convert to fraction form
    247,691.52/341,956.02 = 163,054.64/x
  3. Step 3: Cross multiply
    247,691.52x = 341,956.02 × 163,054.64
  4. Step 4: Simplify right side
    247,691.52x = 55,757,515,736.93
  5. Step 5: Solve for x
    x = 55,757,515,736.93/247,691.52
  6. Step 6: Final answer
    x = 225,108.70

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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.