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Finding the Fourth Proportional to 267,258.52, 400,846.02 and 87,342.52

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Solution

The fourth proportional to 267,258.52, 400,846.02 and 87,342.52 is: 131,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,258.52 : 400,846.02 = 87,342.52 : x
  2. Step 2: Convert to fraction form
    267,258.52/400,846.02 = 87,342.52/x
  3. Step 3: Cross multiply
    267,258.52x = 400,846.02 × 87,342.52
  4. Step 4: Simplify right side
    267,258.52x = 35,010,900,940.71
  5. Step 5: Solve for x
    x = 35,010,900,940.71/267,258.52
  6. Step 6: Final answer
    x = 131,000.13

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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.