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Finding the Fourth Proportional to 100,385.04, 150,591.45 and 33,844.20

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Solution

The fourth proportional to 100,385.04, 150,591.45 and 33,844.20 is: 50,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,385.04 : 150,591.45 = 33,844.20 : x
  2. Step 2: Convert to fraction form
    100,385.04/150,591.45 = 33,844.20/x
  3. Step 3: Cross multiply
    100,385.04x = 150,591.45 × 33,844.20
  4. Step 4: Simplify right side
    100,385.04x = 5,096,646,714.29
  5. Step 5: Solve for x
    x = 5,096,646,714.29/100,385.04
  6. Step 6: Final answer
    x = 50,770.98

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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.