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Finding the Fourth Proportional to 101,212.48, 151,819.23 and 42,048.22

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Solution

The fourth proportional to 101,212.48, 151,819.23 and 42,048.22 is: 63,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,212.48 : 151,819.23 = 42,048.22 : x
  2. Step 2: Convert to fraction form
    101,212.48/151,819.23 = 42,048.22/x
  3. Step 3: Cross multiply
    101,212.48x = 151,819.23 × 42,048.22
  4. Step 4: Simplify right side
    101,212.48x = 6,383,728,383.27
  5. Step 5: Solve for x
    x = 6,383,728,383.27/101,212.48
  6. Step 6: Final answer
    x = 63,072.54

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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.