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Finding the Fourth Proportional to 269,757.74, 372,265.72 and 148,899.06

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Solution

The fourth proportional to 269,757.74, 372,265.72 and 148,899.06 is: 205,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,757.74 : 372,265.72 = 148,899.06 : x
  2. Step 2: Convert to fraction form
    269,757.74/372,265.72 = 148,899.06/x
  3. Step 3: Cross multiply
    269,757.74x = 372,265.72 × 148,899.06
  4. Step 4: Simplify right side
    269,757.74x = 55,430,015,778.22
  5. Step 5: Solve for x
    x = 55,430,015,778.22/269,757.74
  6. Step 6: Final answer
    x = 205,480.72

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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.