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Finding the Fourth Proportional to 171,771.08, 236,924.16 and 165,990.92

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Solution

The fourth proportional to 171,771.08, 236,924.16 and 165,990.92 is: 228,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,771.08 : 236,924.16 = 165,990.92 : x
  2. Step 2: Convert to fraction form
    171,771.08/236,924.16 = 165,990.92/x
  3. Step 3: Cross multiply
    171,771.08x = 236,924.16 × 165,990.92
  4. Step 4: Simplify right side
    171,771.08x = 39,327,259,288.63
  5. Step 5: Solve for x
    x = 39,327,259,288.63/171,771.08
  6. Step 6: Final answer
    x = 228,951.57

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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.