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Finding the Fourth Proportional to 110,255.70, 165,358.35 and 54,039.54

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Solution

The fourth proportional to 110,255.70, 165,358.35 and 54,039.54 is: 81,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,255.70 : 165,358.35 = 54,039.54 : x
  2. Step 2: Convert to fraction form
    110,255.70/165,358.35 = 54,039.54/x
  3. Step 3: Cross multiply
    110,255.70x = 165,358.35 × 54,039.54
  4. Step 4: Simplify right side
    110,255.70x = 8,935,889,169.16
  5. Step 5: Solve for x
    x = 8,935,889,169.16/110,255.70
  6. Step 6: Final answer
    x = 81,046.96

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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.