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Finding the Fourth Proportional to 264,156.71, 396,227.97 and 74,630.16

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Solution

The fourth proportional to 264,156.71, 396,227.97 and 74,630.16 is: 111,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,156.71 : 396,227.97 = 74,630.16 : x
  2. Step 2: Convert to fraction form
    264,156.71/396,227.97 = 74,630.16/x
  3. Step 3: Cross multiply
    264,156.71x = 396,227.97 × 74,630.16
  4. Step 4: Simplify right side
    264,156.71x = 29,570,556,797.58
  5. Step 5: Solve for x
    x = 29,570,556,797.58/264,156.71
  6. Step 6: Final answer
    x = 111,943.24

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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.