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Finding the Fourth Proportional to 269,637.75, 372,100.10 and 150,405.75

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Solution

The fourth proportional to 269,637.75, 372,100.10 and 150,405.75 is: 207,559.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,637.75 : 372,100.10 = 150,405.75 : x
  2. Step 2: Convert to fraction form
    269,637.75/372,100.10 = 150,405.75/x
  3. Step 3: Cross multiply
    269,637.75x = 372,100.10 × 150,405.75
  4. Step 4: Simplify right side
    269,637.75x = 55,965,993,863.55
  5. Step 5: Solve for x
    x = 55,965,993,863.55/269,637.75
  6. Step 6: Final answer
    x = 207,559.94

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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.