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Finding the Fourth Proportional to 223,992.37, 335,871.91 and 105,631.93

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Solution

The fourth proportional to 223,992.37, 335,871.91 and 105,631.93 is: 158,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,992.37 : 335,871.91 = 105,631.93 : x
  2. Step 2: Convert to fraction form
    223,992.37/335,871.91 = 105,631.93/x
  3. Step 3: Cross multiply
    223,992.37x = 335,871.91 × 105,631.93
  4. Step 4: Simplify right side
    223,992.37x = 35,478,796,982.33
  5. Step 5: Solve for x
    x = 35,478,796,982.33/223,992.37
  6. Step 6: Final answer
    x = 158,392.88

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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.