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Finding the Fourth Proportional to 86,383.68, 119,209.80 and 50,092.20

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Solution

The fourth proportional to 86,383.68, 119,209.80 and 50,092.20 is: 69,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,383.68 : 119,209.80 = 50,092.20 : x
  2. Step 2: Convert to fraction form
    86,383.68/119,209.80 = 50,092.20/x
  3. Step 3: Cross multiply
    86,383.68x = 119,209.80 × 50,092.20
  4. Step 4: Simplify right side
    86,383.68x = 5,971,481,143.56
  5. Step 5: Solve for x
    x = 5,971,481,143.56/86,383.68
  6. Step 6: Final answer
    x = 69,127.42

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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.