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Finding the Fourth Proportional to 110,103.60, 165,171.80 and 50,945.25

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Solution

The fourth proportional to 110,103.60, 165,171.80 and 50,945.25 is: 76,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,103.60 : 165,171.80 = 50,945.25 : x
  2. Step 2: Convert to fraction form
    110,103.60/165,171.80 = 50,945.25/x
  3. Step 3: Cross multiply
    110,103.60x = 165,171.80 × 50,945.25
  4. Step 4: Simplify right side
    110,103.60x = 8,414,718,643.95
  5. Step 5: Solve for x
    x = 8,414,718,643.95/110,103.60
  6. Step 6: Final answer
    x = 76,425.46

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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.