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Finding the Fourth Proportional to 269,712.99, 372,203.60 and 148,854.33

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Solution

The fourth proportional to 269,712.99, 372,203.60 and 148,854.33 is: 205,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,712.99 : 372,203.60 = 148,854.33 : x
  2. Step 2: Convert to fraction form
    269,712.99/372,203.60 = 148,854.33/x
  3. Step 3: Cross multiply
    269,712.99x = 372,203.60 × 148,854.33
  4. Step 4: Simplify right side
    269,712.99x = 55,404,116,757.32
  5. Step 5: Solve for x
    x = 55,404,116,757.32/269,712.99
  6. Step 6: Final answer
    x = 205,418.79

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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.