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Finding the Fourth Proportional to 615,371.43, 923,049.72 and 159,922.31

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Solution

The fourth proportional to 615,371.43, 923,049.72 and 159,922.31 is: 239,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,371.43 : 923,049.72 = 159,922.31 : x
  2. Step 2: Convert to fraction form
    615,371.43/923,049.72 = 159,922.31/x
  3. Step 3: Cross multiply
    615,371.43x = 923,049.72 × 159,922.31
  4. Step 4: Simplify right side
    615,371.43x = 147,616,245,774.88
  5. Step 5: Solve for x
    x = 147,616,245,774.88/615,371.43
  6. Step 6: Final answer
    x = 239,881.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.