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Finding the Fourth Proportional to 116,993.74, 161,450.87 and 63,278.63

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Solution

The fourth proportional to 116,993.74, 161,450.87 and 63,278.63 is: 87,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,993.74 : 161,450.87 = 63,278.63 : x
  2. Step 2: Convert to fraction form
    116,993.74/161,450.87 = 63,278.63/x
  3. Step 3: Cross multiply
    116,993.74x = 161,450.87 × 63,278.63
  4. Step 4: Simplify right side
    116,993.74x = 10,216,389,865.91
  5. Step 5: Solve for x
    x = 10,216,389,865.91/116,993.74
  6. Step 6: Final answer
    x = 87,324.24

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1.5x scale

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.