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Finding the Fourth Proportional to 267,772.26, 369,423.81 and 170,979.69

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Solution

The fourth proportional to 267,772.26, 369,423.81 and 170,979.69 is: 235,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,772.26 : 369,423.81 = 170,979.69 : x
  2. Step 2: Convert to fraction form
    267,772.26/369,423.81 = 170,979.69/x
  3. Step 3: Cross multiply
    267,772.26x = 369,423.81 × 170,979.69
  4. Step 4: Simplify right side
    267,772.26x = 63,163,968,512.42
  5. Step 5: Solve for x
    x = 63,163,968,512.42/267,772.26
  6. Step 6: Final answer
    x = 235,886.90

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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.