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Finding the Fourth Proportional to 223,694.48, 335,260.78 and 133,803.51

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Solution

The fourth proportional to 223,694.48, 335,260.78 and 133,803.51 is: 200,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,694.48 : 335,260.78 = 133,803.51 : x
  2. Step 2: Convert to fraction form
    223,694.48/335,260.78 = 133,803.51/x
  3. Step 3: Cross multiply
    223,694.48x = 335,260.78 × 133,803.51
  4. Step 4: Simplify right side
    223,694.48x = 44,859,069,129.34
  5. Step 5: Solve for x
    x = 44,859,069,129.34/223,694.48
  6. Step 6: Final answer
    x = 200,537.22

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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.