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Finding the Fourth Proportional to 101,224.92, 151,633.26 and 84,749.52

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Solution

The fourth proportional to 101,224.92, 151,633.26 and 84,749.52 is: 126,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,224.92 : 151,633.26 = 84,749.52 : x
  2. Step 2: Convert to fraction form
    101,224.92/151,633.26 = 84,749.52/x
  3. Step 3: Cross multiply
    101,224.92x = 151,633.26 × 84,749.52
  4. Step 4: Simplify right side
    101,224.92x = 12,850,846,001.04
  5. Step 5: Solve for x
    x = 12,850,846,001.04/101,224.92
  6. Step 6: Final answer
    x = 126,953.38

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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.