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Finding the Fourth Proportional to 269,798.97, 372,323.13 and 148,940.42

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Solution

The fourth proportional to 269,798.97, 372,323.13 and 148,940.42 is: 205,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,798.97 : 372,323.13 = 148,940.42 : x
  2. Step 2: Convert to fraction form
    269,798.97/372,323.13 = 148,940.42/x
  3. Step 3: Cross multiply
    269,798.97x = 372,323.13 × 148,940.42
  4. Step 4: Simplify right side
    269,798.97x = 55,453,961,496.30
  5. Step 5: Solve for x
    x = 55,453,961,496.30/269,798.97
  6. Step 6: Final answer
    x = 205,538.08

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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.