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Finding the Fourth Proportional to 171,991.38, 237,460.51 and 111,733.75

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Solution

The fourth proportional to 171,991.38, 237,460.51 and 111,733.75 is: 154,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,991.38 : 237,460.51 = 111,733.75 : x
  2. Step 2: Convert to fraction form
    171,991.38/237,460.51 = 111,733.75/x
  3. Step 3: Cross multiply
    171,991.38x = 237,460.51 × 111,733.75
  4. Step 4: Simplify right side
    171,991.38x = 26,532,354,363.56
  5. Step 5: Solve for x
    x = 26,532,354,363.56/171,991.38
  6. Step 6: Final answer
    x = 154,265.61

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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.