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Finding the Fourth Proportional to 119,800.53, 179,721.99 and 40,896.36

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Solution

The fourth proportional to 119,800.53, 179,721.99 and 40,896.36 is: 61,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,800.53 : 179,721.99 = 40,896.36 : x
  2. Step 2: Convert to fraction form
    119,800.53/179,721.99 = 40,896.36/x
  3. Step 3: Cross multiply
    119,800.53x = 179,721.99 × 40,896.36
  4. Step 4: Simplify right side
    119,800.53x = 7,349,975,202.96
  5. Step 5: Solve for x
    x = 7,349,975,202.96/119,800.53
  6. Step 6: Final answer
    x = 61,351.78

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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.