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Finding the Fourth Proportional to 262,774.96, 394,162.62 and 73,235.86

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Solution

The fourth proportional to 262,774.96, 394,162.62 and 73,235.86 is: 109,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,774.96 : 394,162.62 = 73,235.86 : x
  2. Step 2: Convert to fraction form
    262,774.96/394,162.62 = 73,235.86/x
  3. Step 3: Cross multiply
    262,774.96x = 394,162.62 × 73,235.86
  4. Step 4: Simplify right side
    262,774.96x = 28,866,838,455.55
  5. Step 5: Solve for x
    x = 28,866,838,455.55/262,774.96
  6. Step 6: Final answer
    x = 109,853.84

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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.