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Finding the Fourth Proportional to 119,912.66, 179,832.93 and 98,800.37

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Solution

The fourth proportional to 119,912.66, 179,832.93 and 98,800.37 is: 148,170.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,912.66 : 179,832.93 = 98,800.37 : x
  2. Step 2: Convert to fraction form
    119,912.66/179,832.93 = 98,800.37/x
  3. Step 3: Cross multiply
    119,912.66x = 179,832.93 × 98,800.37
  4. Step 4: Simplify right side
    119,912.66x = 17,767,560,022.18
  5. Step 5: Solve for x
    x = 17,767,560,022.18/119,912.66
  6. Step 6: Final answer
    x = 148,170.84

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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.