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Finding the Fourth Proportional to 171,690.30, 236,928.20 and 95,208.17

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Solution

The fourth proportional to 171,690.30, 236,928.20 and 95,208.17 is: 131,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,690.30 : 236,928.20 = 95,208.17 : x
  2. Step 2: Convert to fraction form
    171,690.30/236,928.20 = 95,208.17/x
  3. Step 3: Cross multiply
    171,690.30x = 236,928.20 × 95,208.17
  4. Step 4: Simplify right side
    171,690.30x = 22,557,500,343.39
  5. Step 5: Solve for x
    x = 22,557,500,343.39/171,690.30
  6. Step 6: Final answer
    x = 131,384.83

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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.