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Finding the Fourth Proportional to 269,713.99, 372,204.97 and 148,855.33

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Solution

The fourth proportional to 269,713.99, 372,204.97 and 148,855.33 is: 205,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,713.99 : 372,204.97 = 148,855.33 : x
  2. Step 2: Convert to fraction form
    269,713.99/372,204.97 = 148,855.33/x
  3. Step 3: Cross multiply
    269,713.99x = 372,204.97 × 148,855.33
  4. Step 4: Simplify right side
    269,713.99x = 55,404,693,636.99
  5. Step 5: Solve for x
    x = 55,404,693,636.99/269,713.99
  6. Step 6: Final answer
    x = 205,420.17

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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.