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Finding the Fourth Proportional to 223,596.86, 335,392.32 and 55,119.20

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Solution

The fourth proportional to 223,596.86, 335,392.32 and 55,119.20 is: 82,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,596.86 : 335,392.32 = 55,119.20 : x
  2. Step 2: Convert to fraction form
    223,596.86/335,392.32 = 55,119.20/x
  3. Step 3: Cross multiply
    223,596.86x = 335,392.32 × 55,119.20
  4. Step 4: Simplify right side
    223,596.86x = 18,486,556,364.54
  5. Step 5: Solve for x
    x = 18,486,556,364.54/223,596.86
  6. Step 6: Final answer
    x = 82,678.07

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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.