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Finding the Fourth Proportional to 116,949.65, 161,390.48 and 63,234.68

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Solution

The fourth proportional to 116,949.65, 161,390.48 and 63,234.68 is: 87,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,949.65 : 161,390.48 = 63,234.68 : x
  2. Step 2: Convert to fraction form
    116,949.65/161,390.48 = 63,234.68/x
  3. Step 3: Cross multiply
    116,949.65x = 161,390.48 × 63,234.68
  4. Step 4: Simplify right side
    116,949.65x = 10,205,474,234.72
  5. Step 5: Solve for x
    x = 10,205,474,234.72/116,949.65
  6. Step 6: Final answer
    x = 87,263.83

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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.