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Finding the Fourth Proportional to 101,099.18, 151,525.79 and 71,525.54

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Solution

The fourth proportional to 101,099.18, 151,525.79 and 71,525.54 is: 107,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,099.18 : 151,525.79 = 71,525.54 : x
  2. Step 2: Convert to fraction form
    101,099.18/151,525.79 = 71,525.54/x
  3. Step 3: Cross multiply
    101,099.18x = 151,525.79 × 71,525.54
  4. Step 4: Simplify right side
    101,099.18x = 10,837,963,596.05
  5. Step 5: Solve for x
    x = 10,837,963,596.05/101,099.18
  6. Step 6: Final answer
    x = 107,201.30

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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.