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Finding the Fourth Proportional to 269,858.48, 372,410.51 and 149,007.44

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Solution

The fourth proportional to 269,858.48, 372,410.51 and 149,007.44 is: 205,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,858.48 : 372,410.51 = 149,007.44 : x
  2. Step 2: Convert to fraction form
    269,858.48/372,410.51 = 149,007.44/x
  3. Step 3: Cross multiply
    269,858.48x = 372,410.51 × 149,007.44
  4. Step 4: Simplify right side
    269,858.48x = 55,491,934,117.10
  5. Step 5: Solve for x
    x = 55,491,934,117.10/269,858.48
  6. Step 6: Final answer
    x = 205,633.47

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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.