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Finding the Fourth Proportional to 248,701.84, 343,207.46 and 135,524.60

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Solution

The fourth proportional to 248,701.84, 343,207.46 and 135,524.60 is: 187,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,701.84 : 343,207.46 = 135,524.60 : x
  2. Step 2: Convert to fraction form
    248,701.84/343,207.46 = 135,524.60/x
  3. Step 3: Cross multiply
    248,701.84x = 343,207.46 × 135,524.60
  4. Step 4: Simplify right side
    248,701.84x = 46,513,053,733.52
  5. Step 5: Solve for x
    x = 46,513,053,733.52/248,701.84
  6. Step 6: Final answer
    x = 187,023.36

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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.