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Finding the Fourth Proportional to 266,521.92, 367,764.84 and 171,157.80

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Solution

The fourth proportional to 266,521.92, 367,764.84 and 171,157.80 is: 236,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,521.92 : 367,764.84 = 171,157.80 : x
  2. Step 2: Convert to fraction form
    266,521.92/367,764.84 = 171,157.80/x
  3. Step 3: Cross multiply
    266,521.92x = 367,764.84 × 171,157.80
  4. Step 4: Simplify right side
    266,521.92x = 62,945,820,931.75
  5. Step 5: Solve for x
    x = 62,945,820,931.75/266,521.92
  6. Step 6: Final answer
    x = 236,175.02

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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.