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Finding the Fourth Proportional to 269,856.97, 372,408.44 and 149,005.93

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Solution

The fourth proportional to 269,856.97, 372,408.44 and 149,005.93 is: 205,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,856.97 : 372,408.44 = 149,005.93 : x
  2. Step 2: Convert to fraction form
    269,856.97/372,408.44 = 149,005.93/x
  3. Step 3: Cross multiply
    269,856.97x = 372,408.44 × 149,005.93
  4. Step 4: Simplify right side
    269,856.97x = 55,491,064,964.26
  5. Step 5: Solve for x
    x = 55,491,064,964.26/269,856.97
  6. Step 6: Final answer
    x = 205,631.40

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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.