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Finding the Fourth Proportional to 223,454.86, 335,135 and 73,659.55

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Solution

The fourth proportional to 223,454.86, 335,135 and 73,659.55 is: 110,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,454.86 : 335,135 = 73,659.55 : x
  2. Step 2: Convert to fraction form
    223,454.86/335,135 = 73,659.55/x
  3. Step 3: Cross multiply
    223,454.86x = 335,135 × 73,659.55
  4. Step 4: Simplify right side
    223,454.86x = 24,685,893,289.25
  5. Step 5: Solve for x
    x = 24,685,893,289.25/223,454.86
  6. Step 6: Final answer
    x = 110,473.74

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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.