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Finding the Fourth Proportional to 79,970.56, 110,358.78 and 44,163

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Solution

The fourth proportional to 79,970.56, 110,358.78 and 44,163 is: 60,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,970.56 : 110,358.78 = 44,163 : x
  2. Step 2: Convert to fraction form
    79,970.56/110,358.78 = 44,163/x
  3. Step 3: Cross multiply
    79,970.56x = 110,358.78 × 44,163
  4. Step 4: Simplify right side
    79,970.56x = 4,873,774,801.14
  5. Step 5: Solve for x
    x = 4,873,774,801.14/79,970.56
  6. Step 6: Final answer
    x = 60,944.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.