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Finding the Fourth Proportional to 266,542.64, 367,793.34 and 171,178.52

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Solution

The fourth proportional to 266,542.64, 367,793.34 and 171,178.52 is: 236,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,542.64 : 367,793.34 = 171,178.52 : x
  2. Step 2: Convert to fraction form
    266,542.64/367,793.34 = 171,178.52/x
  3. Step 3: Cross multiply
    266,542.64x = 367,793.34 × 171,178.52
  4. Step 4: Simplify right side
    266,542.64x = 62,958,319,607.06
  5. Step 5: Solve for x
    x = 62,958,319,607.06/266,542.64
  6. Step 6: Final answer
    x = 236,203.56

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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.