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Finding the Fourth Proportional to 270,738.84, 373,502.31 and 163,249.15

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Solution

The fourth proportional to 270,738.84, 373,502.31 and 163,249.15 is: 225,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,738.84 : 373,502.31 = 163,249.15 : x
  2. Step 2: Convert to fraction form
    270,738.84/373,502.31 = 163,249.15/x
  3. Step 3: Cross multiply
    270,738.84x = 373,502.31 × 163,249.15
  4. Step 4: Simplify right side
    270,738.84x = 60,973,935,972.42
  5. Step 5: Solve for x
    x = 60,973,935,972.42/270,738.84
  6. Step 6: Final answer
    x = 225,213.11

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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.