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Finding the Fourth Proportional to 162,723.36, 244,121.86 and 87,841.92

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Solution

The fourth proportional to 162,723.36, 244,121.86 and 87,841.92 is: 131,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,723.36 : 244,121.86 = 87,841.92 : x
  2. Step 2: Convert to fraction form
    162,723.36/244,121.86 = 87,841.92/x
  3. Step 3: Cross multiply
    162,723.36x = 244,121.86 × 87,841.92
  4. Step 4: Simplify right side
    162,723.36x = 21,444,132,896.37
  5. Step 5: Solve for x
    x = 21,444,132,896.37/162,723.36
  6. Step 6: Final answer
    x = 131,782.76

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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.