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Finding the Fourth Proportional to 101,099.88, 151,605.90 and 53,704.53

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Solution

The fourth proportional to 101,099.88, 151,605.90 and 53,704.53 is: 80,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,099.88 : 151,605.90 = 53,704.53 : x
  2. Step 2: Convert to fraction form
    101,099.88/151,605.90 = 53,704.53/x
  3. Step 3: Cross multiply
    101,099.88x = 151,605.90 × 53,704.53
  4. Step 4: Simplify right side
    101,099.88x = 8,141,923,604.73
  5. Step 5: Solve for x
    x = 8,141,923,604.73/101,099.88
  6. Step 6: Final answer
    x = 80,533.46

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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.