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Finding the Fourth Proportional to 269,881.66, 372,434.72 and 149,022.88

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Solution

The fourth proportional to 269,881.66, 372,434.72 and 149,022.88 is: 205,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,881.66 : 372,434.72 = 149,022.88 : x
  2. Step 2: Convert to fraction form
    269,881.66/372,434.72 = 149,022.88/x
  3. Step 3: Cross multiply
    269,881.66x = 372,434.72 × 149,022.88
  4. Step 4: Simplify right side
    269,881.66x = 55,501,294,586.39
  5. Step 5: Solve for x
    x = 55,501,294,586.39/269,881.66
  6. Step 6: Final answer
    x = 205,650.49

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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.