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Finding the Fourth Proportional to 73,657.20, 110,485.80 and 63,634.80

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Solution

The fourth proportional to 73,657.20, 110,485.80 and 63,634.80 is: 95,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,657.20 : 110,485.80 = 63,634.80 : x
  2. Step 2: Convert to fraction form
    73,657.20/110,485.80 = 63,634.80/x
  3. Step 3: Cross multiply
    73,657.20x = 110,485.80 × 63,634.80
  4. Step 4: Simplify right side
    73,657.20x = 7,030,741,785.84
  5. Step 5: Solve for x
    x = 7,030,741,785.84/73,657.20
  6. Step 6: Final answer
    x = 95,452.20

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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.