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Finding the Fourth Proportional to 73,135.57, 109,620.42 and 33,611.01

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Solution

The fourth proportional to 73,135.57, 109,620.42 and 33,611.01 is: 50,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.57 : 109,620.42 = 33,611.01 : x
  2. Step 2: Convert to fraction form
    73,135.57/109,620.42 = 33,611.01/x
  3. Step 3: Cross multiply
    73,135.57x = 109,620.42 × 33,611.01
  4. Step 4: Simplify right side
    73,135.57x = 3,684,453,032.82
  5. Step 5: Solve for x
    x = 3,684,453,032.82/73,135.57
  6. Step 6: Final answer
    x = 50,378.40

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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.