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Finding the Fourth Proportional to 101,099.88, 151,649.82 and 34,540.56

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Solution

The fourth proportional to 101,099.88, 151,649.82 and 34,540.56 is: 51,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,099.88 : 151,649.82 = 34,540.56 : x
  2. Step 2: Convert to fraction form
    101,099.88/151,649.82 = 34,540.56/x
  3. Step 3: Cross multiply
    101,099.88x = 151,649.82 × 34,540.56
  4. Step 4: Simplify right side
    101,099.88x = 5,238,069,706.70
  5. Step 5: Solve for x
    x = 5,238,069,706.70/101,099.88
  6. Step 6: Final answer
    x = 51,810.84

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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.