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Finding the Fourth Proportional to 269,672.37, 372,148.97 and 148,817.15

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Solution

The fourth proportional to 269,672.37, 372,148.97 and 148,817.15 is: 205,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,672.37 : 372,148.97 = 148,817.15 : x
  2. Step 2: Convert to fraction form
    269,672.37/372,148.97 = 148,817.15/x
  3. Step 3: Cross multiply
    269,672.37x = 372,148.97 × 148,817.15
  4. Step 4: Simplify right side
    269,672.37x = 55,382,147,881.56
  5. Step 5: Solve for x
    x = 55,382,147,881.56/269,672.37
  6. Step 6: Final answer
    x = 205,368.27

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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.