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Finding the Fourth Proportional to 192,992.96, 266,253.66 and 120,353.12

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Solution

The fourth proportional to 192,992.96, 266,253.66 and 120,353.12 is: 166,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,992.96 : 266,253.66 = 120,353.12 : x
  2. Step 2: Convert to fraction form
    192,992.96/266,253.66 = 120,353.12/x
  3. Step 3: Cross multiply
    192,992.96x = 266,253.66 × 120,353.12
  4. Step 4: Simplify right side
    192,992.96x = 32,044,458,692.42
  5. Step 5: Solve for x
    x = 32,044,458,692.42/192,992.96
  6. Step 6: Final answer
    x = 166,039.52

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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.