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Finding the Fourth Proportional to 86,380.97, 119,164.97 and 50,548.79

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Solution

The fourth proportional to 86,380.97, 119,164.97 and 50,548.79 is: 69,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,380.97 : 119,164.97 = 50,548.79 : x
  2. Step 2: Convert to fraction form
    86,380.97/119,164.97 = 50,548.79/x
  3. Step 3: Cross multiply
    86,380.97x = 119,164.97 × 50,548.79
  4. Step 4: Simplify right side
    86,380.97x = 6,023,645,468.17
  5. Step 5: Solve for x
    x = 6,023,645,468.17/86,380.97
  6. Step 6: Final answer
    x = 69,733.48

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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.