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Finding the Fourth Proportional to 266,534.92, 367,782.78 and 171,170.80

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Solution

The fourth proportional to 266,534.92, 367,782.78 and 171,170.80 is: 236,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,534.92 : 367,782.78 = 171,170.80 : x
  2. Step 2: Convert to fraction form
    266,534.92/367,782.78 = 171,170.80/x
  3. Step 3: Cross multiply
    266,534.92x = 367,782.78 × 171,170.80
  4. Step 4: Simplify right side
    266,534.92x = 62,953,672,678.82
  5. Step 5: Solve for x
    x = 62,953,672,678.82/266,534.92
  6. Step 6: Final answer
    x = 236,192.96

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1.5x scale

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.