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Finding the Fourth Proportional to 267,353.65, 368,913.04 and 159,884.47

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Solution

The fourth proportional to 267,353.65, 368,913.04 and 159,884.47 is: 220,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,353.65 : 368,913.04 = 159,884.47 : x
  2. Step 2: Convert to fraction form
    267,353.65/368,913.04 = 159,884.47/x
  3. Step 3: Cross multiply
    267,353.65x = 368,913.04 × 159,884.47
  4. Step 4: Simplify right side
    267,353.65x = 58,983,465,876.49
  5. Step 5: Solve for x
    x = 58,983,465,876.49/267,353.65
  6. Step 6: Final answer
    x = 220,619.64

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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.