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Finding the Fourth Proportional to 101,383.77, 151,983.91 and 48,042.53

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Solution

The fourth proportional to 101,383.77, 151,983.91 and 48,042.53 is: 72,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,383.77 : 151,983.91 = 48,042.53 : x
  2. Step 2: Convert to fraction form
    101,383.77/151,983.91 = 48,042.53/x
  3. Step 3: Cross multiply
    101,383.77x = 151,983.91 × 48,042.53
  4. Step 4: Simplify right side
    101,383.77x = 7,301,691,555.69
  5. Step 5: Solve for x
    x = 7,301,691,555.69/101,383.77
  6. Step 6: Final answer
    x = 72,020.32

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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.