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Finding the Fourth Proportional to 248,902.38, 343,484.28 and 135,725.22

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Solution

The fourth proportional to 248,902.38, 343,484.28 and 135,725.22 is: 187,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,902.38 : 343,484.28 = 135,725.22 : x
  2. Step 2: Convert to fraction form
    248,902.38/343,484.28 = 135,725.22/x
  3. Step 3: Cross multiply
    248,902.38x = 343,484.28 × 135,725.22
  4. Step 4: Simplify right side
    248,902.38x = 46,619,479,469.54
  5. Step 5: Solve for x
    x = 46,619,479,469.54/248,902.38
  6. Step 6: Final answer
    x = 187,300.26

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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.