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Finding the Fourth Proportional to 163,374.82, 244,844.19 and 87,317.44

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Solution

The fourth proportional to 163,374.82, 244,844.19 and 87,317.44 is: 130,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,374.82 : 244,844.19 = 87,317.44 : x
  2. Step 2: Convert to fraction form
    163,374.82/244,844.19 = 87,317.44/x
  3. Step 3: Cross multiply
    163,374.82x = 244,844.19 × 87,317.44
  4. Step 4: Simplify right side
    163,374.82x = 21,379,167,257.56
  5. Step 5: Solve for x
    x = 21,379,167,257.56/163,374.82
  6. Step 6: Final answer
    x = 130,859.62

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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.