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Finding the Fourth Proportional to 223,990.58, 335,816.91 and 135,222.98

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Solution

The fourth proportional to 223,990.58, 335,816.91 and 135,222.98 is: 202,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,990.58 : 335,816.91 = 135,222.98 : x
  2. Step 2: Convert to fraction form
    223,990.58/335,816.91 = 135,222.98/x
  3. Step 3: Cross multiply
    223,990.58x = 335,816.91 × 135,222.98
  4. Step 4: Simplify right side
    223,990.58x = 45,410,161,625.51
  5. Step 5: Solve for x
    x = 45,410,161,625.51/223,990.58
  6. Step 6: Final answer
    x = 202,732.46

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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.