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Finding the Fourth Proportional to 73,374.09, 110,016.15 and 31,230.17

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Solution

The fourth proportional to 73,374.09, 110,016.15 and 31,230.17 is: 46,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,374.09 : 110,016.15 = 31,230.17 : x
  2. Step 2: Convert to fraction form
    73,374.09/110,016.15 = 31,230.17/x
  3. Step 3: Cross multiply
    73,374.09x = 110,016.15 × 31,230.17
  4. Step 4: Simplify right side
    73,374.09x = 3,435,823,153.97
  5. Step 5: Solve for x
    x = 3,435,823,153.97/73,374.09
  6. Step 6: Final answer
    x = 46,826.11

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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.