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Finding the Fourth Proportional to 269,807.88, 372,325.09 and 148,946.57

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Solution

The fourth proportional to 269,807.88, 372,325.09 and 148,946.57 is: 205,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,807.88 : 372,325.09 = 148,946.57 : x
  2. Step 2: Convert to fraction form
    269,807.88/372,325.09 = 148,946.57/x
  3. Step 3: Cross multiply
    269,807.88x = 372,325.09 × 148,946.57
  4. Step 4: Simplify right side
    269,807.88x = 55,456,545,080.44
  5. Step 5: Solve for x
    x = 55,456,545,080.44/269,807.88
  6. Step 6: Final answer
    x = 205,540.87

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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.