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Finding the Fourth Proportional to 269,813.97, 372,333.51 and 148,952.66

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Solution

The fourth proportional to 269,813.97, 372,333.51 and 148,952.66 is: 205,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,813.97 : 372,333.51 = 148,952.66 : x
  2. Step 2: Convert to fraction form
    269,813.97/372,333.51 = 148,952.66/x
  3. Step 3: Cross multiply
    269,813.97x = 372,333.51 × 148,952.66
  4. Step 4: Simplify right side
    269,813.97x = 55,460,064,859.97
  5. Step 5: Solve for x
    x = 55,460,064,859.97/269,813.97
  6. Step 6: Final answer
    x = 205,549.27

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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.