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Finding the Fourth Proportional to 267,913.68, 401,851.08 and 108,000.24

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Solution

The fourth proportional to 267,913.68, 401,851.08 and 108,000.24 is: 161,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,913.68 : 401,851.08 = 108,000.24 : x
  2. Step 2: Convert to fraction form
    267,913.68/401,851.08 = 108,000.24/x
  3. Step 3: Cross multiply
    267,913.68x = 401,851.08 × 108,000.24
  4. Step 4: Simplify right side
    267,913.68x = 43,400,013,084.26
  5. Step 5: Solve for x
    x = 43,400,013,084.26/267,913.68
  6. Step 6: Final answer
    x = 161,992.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.