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Finding the Fourth Proportional to 158,850.10, 237,990.84 and 106,099.66

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Solution

The fourth proportional to 158,850.10, 237,990.84 and 106,099.66 is: 158,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,850.10 : 237,990.84 = 106,099.66 : x
  2. Step 2: Convert to fraction form
    158,850.10/237,990.84 = 106,099.66/x
  3. Step 3: Cross multiply
    158,850.10x = 237,990.84 × 106,099.66
  4. Step 4: Simplify right side
    158,850.10x = 25,250,747,207.11
  5. Step 5: Solve for x
    x = 25,250,747,207.11/158,850.10
  6. Step 6: Final answer
    x = 158,959.59

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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.