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Finding the Fourth Proportional to 117,471.96, 162,112.86 and 63,757.62

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Solution

The fourth proportional to 117,471.96, 162,112.86 and 63,757.62 is: 87,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,471.96 : 162,112.86 = 63,757.62 : x
  2. Step 2: Convert to fraction form
    117,471.96/162,112.86 = 63,757.62/x
  3. Step 3: Cross multiply
    117,471.96x = 162,112.86 × 63,757.62
  4. Step 4: Simplify right side
    117,471.96x = 10,335,930,124.99
  5. Step 5: Solve for x
    x = 10,335,930,124.99/117,471.96
  6. Step 6: Final answer
    x = 87,986.36

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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.