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Finding the Fourth Proportional to 100,614.92, 150,922.30 and 25,735.20

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Solution

The fourth proportional to 100,614.92, 150,922.30 and 25,735.20 is: 38,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,614.92 : 150,922.30 = 25,735.20 : x
  2. Step 2: Convert to fraction form
    100,614.92/150,922.30 = 25,735.20/x
  3. Step 3: Cross multiply
    100,614.92x = 150,922.30 × 25,735.20
  4. Step 4: Simplify right side
    100,614.92x = 3,884,015,574.96
  5. Step 5: Solve for x
    x = 3,884,015,574.96/100,614.92
  6. Step 6: Final answer
    x = 38,602.78

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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.