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Finding the Fourth Proportional to 223,721.92, 335,574.66 and 55,240.90

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Solution

The fourth proportional to 223,721.92, 335,574.66 and 55,240.90 is: 82,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,721.92 : 335,574.66 = 55,240.90 : x
  2. Step 2: Convert to fraction form
    223,721.92/335,574.66 = 55,240.90/x
  3. Step 3: Cross multiply
    223,721.92x = 335,574.66 × 55,240.90
  4. Step 4: Simplify right side
    223,721.92x = 18,537,446,235.59
  5. Step 5: Solve for x
    x = 18,537,446,235.59/223,721.92
  6. Step 6: Final answer
    x = 82,859.32

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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.