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Finding the Fourth Proportional to 75,078.01, 103,604.52 and 44,879.95

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Solution

The fourth proportional to 75,078.01, 103,604.52 and 44,879.95 is: 61,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,078.01 : 103,604.52 = 44,879.95 : x
  2. Step 2: Convert to fraction form
    75,078.01/103,604.52 = 44,879.95/x
  3. Step 3: Cross multiply
    75,078.01x = 103,604.52 × 44,879.95
  4. Step 4: Simplify right side
    75,078.01x = 4,649,765,677.37
  5. Step 5: Solve for x
    x = 4,649,765,677.37/75,078.01
  6. Step 6: Final answer
    x = 61,932.46

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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.