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Finding the Fourth Proportional to 110,051.92, 165,143.46 and 39,936.70

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Solution

The fourth proportional to 110,051.92, 165,143.46 and 39,936.70 is: 59,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,051.92 : 165,143.46 = 39,936.70 : x
  2. Step 2: Convert to fraction form
    110,051.92/165,143.46 = 39,936.70/x
  3. Step 3: Cross multiply
    110,051.92x = 165,143.46 × 39,936.70
  4. Step 4: Simplify right side
    110,051.92x = 6,595,284,818.98
  5. Step 5: Solve for x
    x = 6,595,284,818.98/110,051.92
  6. Step 6: Final answer
    x = 59,928.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.