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Finding the Fourth Proportional to 101,121.48, 151,644.96 and 33,640.92

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Solution

The fourth proportional to 101,121.48, 151,644.96 and 33,640.92 is: 50,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121.48 : 151,644.96 = 33,640.92 : x
  2. Step 2: Convert to fraction form
    101,121.48/151,644.96 = 33,640.92/x
  3. Step 3: Cross multiply
    101,121.48x = 151,644.96 × 33,640.92
  4. Step 4: Simplify right side
    101,121.48x = 5,101,475,967.76
  5. Step 5: Solve for x
    x = 5,101,475,967.76/101,121.48
  6. Step 6: Final answer
    x = 50,448.98

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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.