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Finding the Fourth Proportional to 163,680.65, 225,877.07 and 92,060.64

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Solution

The fourth proportional to 163,680.65, 225,877.07 and 92,060.64 is: 127,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,680.65 : 225,877.07 = 92,060.64 : x
  2. Step 2: Convert to fraction form
    163,680.65/225,877.07 = 92,060.64/x
  3. Step 3: Cross multiply
    163,680.65x = 225,877.07 × 92,060.64
  4. Step 4: Simplify right side
    163,680.65x = 20,794,387,165.22
  5. Step 5: Solve for x
    x = 20,794,387,165.22/163,680.65
  6. Step 6: Final answer
    x = 127,042.43

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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.