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Finding the Fourth Proportional to 80,083.86, 119,945.36 and 62,171.94

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Solution

The fourth proportional to 80,083.86, 119,945.36 and 62,171.94 is: 93,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,083.86 : 119,945.36 = 62,171.94 : x
  2. Step 2: Convert to fraction form
    80,083.86/119,945.36 = 62,171.94/x
  3. Step 3: Cross multiply
    80,083.86x = 119,945.36 × 62,171.94
  4. Step 4: Simplify right side
    80,083.86x = 7,457,235,725.20
  5. Step 5: Solve for x
    x = 7,457,235,725.20/80,083.86
  6. Step 6: Final answer
    x = 93,117.84

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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.