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Finding the Fourth Proportional to 269,665.44, 372,135.78 and 148,807.80

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Solution

The fourth proportional to 269,665.44, 372,135.78 and 148,807.80 is: 205,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,665.44 : 372,135.78 = 148,807.80 : x
  2. Step 2: Convert to fraction form
    269,665.44/372,135.78 = 148,807.80/x
  3. Step 3: Cross multiply
    269,665.44x = 372,135.78 × 148,807.80
  4. Step 4: Simplify right side
    269,665.44x = 55,376,706,723.08
  5. Step 5: Solve for x
    x = 55,376,706,723.08/269,665.44
  6. Step 6: Final answer
    x = 205,353.37

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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.