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Finding the Fourth Proportional to 266,621.76, 367,902.72 and 171,257.76

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Solution

The fourth proportional to 266,621.76, 367,902.72 and 171,257.76 is: 236,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,621.76 : 367,902.72 = 171,257.76 : x
  2. Step 2: Convert to fraction form
    266,621.76/367,902.72 = 171,257.76/x
  3. Step 3: Cross multiply
    266,621.76x = 367,902.72 × 171,257.76
  4. Step 4: Simplify right side
    266,621.76x = 63,006,195,725.11
  5. Step 5: Solve for x
    x = 63,006,195,725.11/266,621.76
  6. Step 6: Final answer
    x = 236,313.03

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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.