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Finding the Fourth Proportional to 103,645.13, 155,472.56 and 33,529.91

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Solution

The fourth proportional to 103,645.13, 155,472.56 and 33,529.91 is: 50,296.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,645.13 : 155,472.56 = 33,529.91 : x
  2. Step 2: Convert to fraction form
    103,645.13/155,472.56 = 33,529.91/x
  3. Step 3: Cross multiply
    103,645.13x = 155,472.56 × 33,529.91
  4. Step 4: Simplify right side
    103,645.13x = 5,212,980,944.27
  5. Step 5: Solve for x
    x = 5,212,980,944.27/103,645.13
  6. Step 6: Final answer
    x = 50,296.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.