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Finding the Fourth Proportional to 192,960.49, 266,415.51 and 120,473.86

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Solution

The fourth proportional to 192,960.49, 266,415.51 and 120,473.86 is: 166,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,960.49 : 266,415.51 = 120,473.86 : x
  2. Step 2: Convert to fraction form
    192,960.49/266,415.51 = 120,473.86/x
  3. Step 3: Cross multiply
    192,960.49x = 266,415.51 × 120,473.86
  4. Step 4: Simplify right side
    192,960.49x = 32,096,104,853.57
  5. Step 5: Solve for x
    x = 32,096,104,853.57/192,960.49
  6. Step 6: Final answer
    x = 166,335.11

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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.