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Finding the Fourth Proportional to 248,706.26, 343,214.68 and 135,529

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Solution

The fourth proportional to 248,706.26, 343,214.68 and 135,529 is: 187,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,706.26 : 343,214.68 = 135,529 : x
  2. Step 2: Convert to fraction form
    248,706.26/343,214.68 = 135,529/x
  3. Step 3: Cross multiply
    248,706.26x = 343,214.68 × 135,529
  4. Step 4: Simplify right side
    248,706.26x = 46,515,542,365.72
  5. Step 5: Solve for x
    x = 46,515,542,365.72/248,706.26
  6. Step 6: Final answer
    x = 187,030.04

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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.