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Finding the Fourth Proportional to 163,099.79, 225,078.11 and 95,163.47

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Solution

The fourth proportional to 163,099.79, 225,078.11 and 95,163.47 is: 131,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,099.79 : 225,078.11 = 95,163.47 : x
  2. Step 2: Convert to fraction form
    163,099.79/225,078.11 = 95,163.47/x
  3. Step 3: Cross multiply
    163,099.79x = 225,078.11 × 95,163.47
  4. Step 4: Simplify right side
    163,099.79x = 21,419,213,081.16
  5. Step 5: Solve for x
    x = 21,419,213,081.16/163,099.79
  6. Step 6: Final answer
    x = 131,325.82

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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.