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Finding the Fourth Proportional to 163,067.65, 224,979.54 and 98,512.72

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Solution

The fourth proportional to 163,067.65, 224,979.54 and 98,512.72 is: 135,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,067.65 : 224,979.54 = 98,512.72 : x
  2. Step 2: Convert to fraction form
    163,067.65/224,979.54 = 98,512.72/x
  3. Step 3: Cross multiply
    163,067.65x = 224,979.54 × 98,512.72
  4. Step 4: Simplify right side
    163,067.65x = 22,163,346,429.75
  5. Step 5: Solve for x
    x = 22,163,346,429.75/163,067.65
  6. Step 6: Final answer
    x = 135,915.04

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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.