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Finding the Fourth Proportional to 248,882.96, 343,458.83 and 135,705.71

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Solution

The fourth proportional to 248,882.96, 343,458.83 and 135,705.71 is: 187,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,882.96 : 343,458.83 = 135,705.71 : x
  2. Step 2: Convert to fraction form
    248,882.96/343,458.83 = 135,705.71/x
  3. Step 3: Cross multiply
    248,882.96x = 343,458.83 × 135,705.71
  4. Step 4: Simplify right side
    248,882.96x = 46,609,324,380.92
  5. Step 5: Solve for x
    x = 46,609,324,380.92/248,882.96
  6. Step 6: Final answer
    x = 187,274.07

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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.