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Finding the Fourth Proportional to 171,137.88, 255,472.11 and 144,595.80

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Solution

The fourth proportional to 171,137.88, 255,472.11 and 144,595.80 is: 215,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,137.88 : 255,472.11 = 144,595.80 : x
  2. Step 2: Convert to fraction form
    171,137.88/255,472.11 = 144,595.80/x
  3. Step 3: Cross multiply
    171,137.88x = 255,472.11 × 144,595.80
  4. Step 4: Simplify right side
    171,137.88x = 36,940,194,123.14
  5. Step 5: Solve for x
    x = 36,940,194,123.14/171,137.88
  6. Step 6: Final answer
    x = 215,850.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.