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Finding the Fourth Proportional to 223,578.90, 335,252.93 and 65,786.85

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Solution

The fourth proportional to 223,578.90, 335,252.93 and 65,786.85 is: 98,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,578.90 : 335,252.93 = 65,786.85 : x
  2. Step 2: Convert to fraction form
    223,578.90/335,252.93 = 65,786.85/x
  3. Step 3: Cross multiply
    223,578.90x = 335,252.93 × 65,786.85
  4. Step 4: Simplify right side
    223,578.90x = 22,055,233,889.04
  5. Step 5: Solve for x
    x = 22,055,233,889.04/223,578.90
  6. Step 6: Final answer
    x = 98,646.31

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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.