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Finding the Fourth Proportional to 113,046.11, 169,309.19 and 63,015.44

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Solution

The fourth proportional to 113,046.11, 169,309.19 and 63,015.44 is: 94,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,046.11 : 169,309.19 = 63,015.44 : x
  2. Step 2: Convert to fraction form
    113,046.11/169,309.19 = 63,015.44/x
  3. Step 3: Cross multiply
    113,046.11x = 169,309.19 × 63,015.44
  4. Step 4: Simplify right side
    113,046.11x = 10,669,093,488.97
  5. Step 5: Solve for x
    x = 10,669,093,488.97/113,046.11
  6. Step 6: Final answer
    x = 94,378.25

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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.