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Finding the Fourth Proportional to 117,704.92, 162,435.96 and 63,993.54

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Solution

The fourth proportional to 117,704.92, 162,435.96 and 63,993.54 is: 88,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.92 : 162,435.96 = 63,993.54 : x
  2. Step 2: Convert to fraction form
    117,704.92/162,435.96 = 63,993.54/x
  3. Step 3: Cross multiply
    117,704.92x = 162,435.96 × 63,993.54
  4. Step 4: Simplify right side
    117,704.92x = 10,394,852,103.70
  5. Step 5: Solve for x
    x = 10,394,852,103.70/117,704.92
  6. Step 6: Final answer
    x = 88,312.81

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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.