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Finding the Fourth Proportional to 159,418.44, 239,142.30 and 41,090.20

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Solution

The fourth proportional to 159,418.44, 239,142.30 and 41,090.20 is: 61,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,418.44 : 239,142.30 = 41,090.20 : x
  2. Step 2: Convert to fraction form
    159,418.44/239,142.30 = 41,090.20/x
  3. Step 3: Cross multiply
    159,418.44x = 239,142.30 × 41,090.20
  4. Step 4: Simplify right side
    159,418.44x = 9,826,404,935.46
  5. Step 5: Solve for x
    x = 9,826,404,935.46/159,418.44
  6. Step 6: Final answer
    x = 61,639.07

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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.