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Finding the Fourth Proportional to 86,958.58, 119,974.08 and 60,091.42

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Solution

The fourth proportional to 86,958.58, 119,974.08 and 60,091.42 is: 82,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,958.58 : 119,974.08 = 60,091.42 : x
  2. Step 2: Convert to fraction form
    86,958.58/119,974.08 = 60,091.42/x
  3. Step 3: Cross multiply
    86,958.58x = 119,974.08 × 60,091.42
  4. Step 4: Simplify right side
    86,958.58x = 7,209,412,830.39
  5. Step 5: Solve for x
    x = 7,209,412,830.39/86,958.58
  6. Step 6: Final answer
    x = 82,906.29

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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.