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Finding the Fourth Proportional to 124,338.80, 186,504.84 and 30,843.44

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Solution

The fourth proportional to 124,338.80, 186,504.84 and 30,843.44 is: 46,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338.80 : 186,504.84 = 30,843.44 : x
  2. Step 2: Convert to fraction form
    124,338.80/186,504.84 = 30,843.44/x
  3. Step 3: Cross multiply
    124,338.80x = 186,504.84 × 30,843.44
  4. Step 4: Simplify right side
    124,338.80x = 5,752,450,842.25
  5. Step 5: Solve for x
    x = 5,752,450,842.25/124,338.80
  6. Step 6: Final answer
    x = 46,264.33

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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.