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Finding the Fourth Proportional to 69,631.99, 95,873.63 and 61,447.14

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Solution

The fourth proportional to 69,631.99, 95,873.63 and 61,447.14 is: 84,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,631.99 : 95,873.63 = 61,447.14 : x
  2. Step 2: Convert to fraction form
    69,631.99/95,873.63 = 61,447.14/x
  3. Step 3: Cross multiply
    69,631.99x = 95,873.63 × 61,447.14
  4. Step 4: Simplify right side
    69,631.99x = 5,891,160,057.68
  5. Step 5: Solve for x
    x = 5,891,160,057.68/69,631.99
  6. Step 6: Final answer
    x = 84,604.22

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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.