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Finding the Fourth Proportional to 101,896.39, 152,868.60 and 100,201.92

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Solution

The fourth proportional to 101,896.39, 152,868.60 and 100,201.92 is: 150,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,896.39 : 152,868.60 = 100,201.92 : x
  2. Step 2: Convert to fraction form
    101,896.39/152,868.60 = 100,201.92/x
  3. Step 3: Cross multiply
    101,896.39x = 152,868.60 × 100,201.92
  4. Step 4: Simplify right side
    101,896.39x = 15,317,728,152.04
  5. Step 5: Solve for x
    x = 15,317,728,152.04/101,896.39
  6. Step 6: Final answer
    x = 150,326.50

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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.