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Finding the Fourth Proportional to 73,095.44, 100,854.60 and 42,879.20

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Solution

The fourth proportional to 73,095.44, 100,854.60 and 42,879.20 is: 59,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,095.44 : 100,854.60 = 42,879.20 : x
  2. Step 2: Convert to fraction form
    73,095.44/100,854.60 = 42,879.20/x
  3. Step 3: Cross multiply
    73,095.44x = 100,854.60 × 42,879.20
  4. Step 4: Simplify right side
    73,095.44x = 4,324,564,564.32
  5. Step 5: Solve for x
    x = 4,324,564,564.32/73,095.44
  6. Step 6: Final answer
    x = 59,163.26

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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.