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Finding the Fourth Proportional to 245,863.50, 339,231.24 and 150,335.34

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Solution

The fourth proportional to 245,863.50, 339,231.24 and 150,335.34 is: 207,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,863.50 : 339,231.24 = 150,335.34 : x
  2. Step 2: Convert to fraction form
    245,863.50/339,231.24 = 150,335.34/x
  3. Step 3: Cross multiply
    245,863.50x = 339,231.24 × 150,335.34
  4. Step 4: Simplify right side
    245,863.50x = 50,998,443,804.02
  5. Step 5: Solve for x
    x = 50,998,443,804.02/245,863.50
  6. Step 6: Final answer
    x = 207,425.84

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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.