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Finding the Fourth Proportional to 267,431.88, 369,223.80 and 172,104.24

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Solution

The fourth proportional to 267,431.88, 369,223.80 and 172,104.24 is: 237,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,431.88 : 369,223.80 = 172,104.24 : x
  2. Step 2: Convert to fraction form
    267,431.88/369,223.80 = 172,104.24/x
  3. Step 3: Cross multiply
    267,431.88x = 369,223.80 × 172,104.24
  4. Step 4: Simplify right side
    267,431.88x = 63,544,981,488.91
  5. Step 5: Solve for x
    x = 63,544,981,488.91/267,431.88
  6. Step 6: Final answer
    x = 237,611.84

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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.