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Finding the Fourth Proportional to 269,770.70, 372,283.56 and 148,912.02

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Solution

The fourth proportional to 269,770.70, 372,283.56 and 148,912.02 is: 205,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,770.70 : 372,283.56 = 148,912.02 : x
  2. Step 2: Convert to fraction form
    269,770.70/372,283.56 = 148,912.02/x
  3. Step 3: Cross multiply
    269,770.70x = 372,283.56 × 148,912.02
  4. Step 4: Simplify right side
    269,770.70x = 55,437,496,932.39
  5. Step 5: Solve for x
    x = 55,437,496,932.39/269,770.70
  6. Step 6: Final answer
    x = 205,498.58

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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.