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Finding the Fourth Proportional to 75,195.88, 112,808.70 and 33,643.24

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Solution

The fourth proportional to 75,195.88, 112,808.70 and 33,643.24 is: 50,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,195.88 : 112,808.70 = 33,643.24 : x
  2. Step 2: Convert to fraction form
    75,195.88/112,808.70 = 33,643.24/x
  3. Step 3: Cross multiply
    75,195.88x = 112,808.70 × 33,643.24
  4. Step 4: Simplify right side
    75,195.88x = 3,795,250,168.19
  5. Step 5: Solve for x
    x = 3,795,250,168.19/75,195.88
  6. Step 6: Final answer
    x = 50,471.52

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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.