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Finding the Fourth Proportional to 223,405.92, 335,037.78 and 73,618.26

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Solution

The fourth proportional to 223,405.92, 335,037.78 and 73,618.26 is: 110,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,405.92 : 335,037.78 = 73,618.26 : x
  2. Step 2: Convert to fraction form
    223,405.92/335,037.78 = 73,618.26/x
  3. Step 3: Cross multiply
    223,405.92x = 335,037.78 × 73,618.26
  4. Step 4: Simplify right side
    223,405.92x = 24,664,898,397.86
  5. Step 5: Solve for x
    x = 24,664,898,397.86/223,405.92
  6. Step 6: Final answer
    x = 110,403.96

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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.