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Finding the Fourth Proportional to 86,800.41, 119,793.50 and 52,811.31

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Solution

The fourth proportional to 86,800.41, 119,793.50 and 52,811.31 is: 72,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.41 : 119,793.50 = 52,811.31 : x
  2. Step 2: Convert to fraction form
    86,800.41/119,793.50 = 52,811.31/x
  3. Step 3: Cross multiply
    86,800.41x = 119,793.50 × 52,811.31
  4. Step 4: Simplify right side
    86,800.41x = 6,326,451,400.43
  5. Step 5: Solve for x
    x = 6,326,451,400.43/86,800.41
  6. Step 6: Final answer
    x = 72,885.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.