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Finding the Fourth Proportional to 144,896.51, 217,469.83 and 100,554.39

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Solution

The fourth proportional to 144,896.51, 217,469.83 and 100,554.39 is: 150,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896.51 : 217,469.83 = 100,554.39 : x
  2. Step 2: Convert to fraction form
    144,896.51/217,469.83 = 100,554.39/x
  3. Step 3: Cross multiply
    144,896.51x = 217,469.83 × 100,554.39
  4. Step 4: Simplify right side
    144,896.51x = 21,867,545,847.67
  5. Step 5: Solve for x
    x = 21,867,545,847.67/144,896.51
  6. Step 6: Final answer
    x = 150,918.38

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1.5x scale

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.