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Finding the Fourth Proportional to 238,310.88, 328,649.55 and 161,944.44

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Solution

The fourth proportional to 238,310.88, 328,649.55 and 161,944.44 is: 223,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,310.88 : 328,649.55 = 161,944.44 : x
  2. Step 2: Convert to fraction form
    238,310.88/328,649.55 = 161,944.44/x
  3. Step 3: Cross multiply
    238,310.88x = 328,649.55 × 161,944.44
  4. Step 4: Simplify right side
    238,310.88x = 53,222,967,331.00
  5. Step 5: Solve for x
    x = 53,222,967,331.00/238,310.88
  6. Step 6: Final answer
    x = 223,334.19

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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.