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Finding the Fourth Proportional to 159,216.57, 238,797.99 and 45,356.36

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Solution

The fourth proportional to 159,216.57, 238,797.99 and 45,356.36 is: 68,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,216.57 : 238,797.99 = 45,356.36 : x
  2. Step 2: Convert to fraction form
    159,216.57/238,797.99 = 45,356.36/x
  3. Step 3: Cross multiply
    159,216.57x = 238,797.99 × 45,356.36
  4. Step 4: Simplify right side
    159,216.57x = 10,831,006,407.73
  5. Step 5: Solve for x
    x = 10,831,006,407.73/159,216.57
  6. Step 6: Final answer
    x = 68,026.88

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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.