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Finding the Fourth Proportional to 109,517.06, 151,134.00 and 59,216.06

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Solution

The fourth proportional to 109,517.06, 151,134.00 and 59,216.06 is: 81,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,517.06 : 151,134.00 = 59,216.06 : x
  2. Step 2: Convert to fraction form
    109,517.06/151,134.00 = 59,216.06/x
  3. Step 3: Cross multiply
    109,517.06x = 151,134.00 × 59,216.06
  4. Step 4: Simplify right side
    109,517.06x = 8,949,560,500.91
  5. Step 5: Solve for x
    x = 8,949,560,500.91/109,517.06
  6. Step 6: Final answer
    x = 81,718.41

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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.