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Finding the Fourth Proportional to 107,631.87, 161,453.87 and 32,754.45

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Solution

The fourth proportional to 107,631.87, 161,453.87 and 32,754.45 is: 49,133.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,631.87 : 161,453.87 = 32,754.45 : x
  2. Step 2: Convert to fraction form
    107,631.87/161,453.87 = 32,754.45/x
  3. Step 3: Cross multiply
    107,631.87x = 161,453.87 × 32,754.45
  4. Step 4: Simplify right side
    107,631.87x = 5,288,332,548.45
  5. Step 5: Solve for x
    x = 5,288,332,548.45/107,631.87
  6. Step 6: Final answer
    x = 49,133.52

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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.