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Finding the Fourth Proportional to 192,959.49, 266,414.13 and 120,472.86

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Solution

The fourth proportional to 192,959.49, 266,414.13 and 120,472.86 is: 166,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,959.49 : 266,414.13 = 120,472.86 : x
  2. Step 2: Convert to fraction form
    192,959.49/266,414.13 = 120,472.86/x
  3. Step 3: Cross multiply
    192,959.49x = 266,414.13 × 120,472.86
  4. Step 4: Simplify right side
    192,959.49x = 32,095,672,185.51
  5. Step 5: Solve for x
    x = 32,095,672,185.51/192,959.49
  6. Step 6: Final answer
    x = 166,333.73

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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.