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Finding the Fourth Proportional to 269,694.52, 372,178.06 and 148,835.79

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Solution

The fourth proportional to 269,694.52, 372,178.06 and 148,835.79 is: 205,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,694.52 : 372,178.06 = 148,835.79 : x
  2. Step 2: Convert to fraction form
    269,694.52/372,178.06 = 148,835.79/x
  3. Step 3: Cross multiply
    269,694.52x = 372,178.06 × 148,835.79
  4. Step 4: Simplify right side
    269,694.52x = 55,393,415,208.68
  5. Step 5: Solve for x
    x = 55,393,415,208.68/269,694.52
  6. Step 6: Final answer
    x = 205,393.18

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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.