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Finding the Fourth Proportional to 100,553.73, 150,831.03 and 33,994.20

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Solution

The fourth proportional to 100,553.73, 150,831.03 and 33,994.20 is: 50,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,553.73 : 150,831.03 = 33,994.20 : x
  2. Step 2: Convert to fraction form
    100,553.73/150,831.03 = 33,994.20/x
  3. Step 3: Cross multiply
    100,553.73x = 150,831.03 × 33,994.20
  4. Step 4: Simplify right side
    100,553.73x = 5,127,380,200.03
  5. Step 5: Solve for x
    x = 5,127,380,200.03/100,553.73
  6. Step 6: Final answer
    x = 50,991.45

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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.