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Finding the Fourth Proportional to 100,374.64, 150,518.20 and 33,796.88

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Solution

The fourth proportional to 100,374.64, 150,518.20 and 33,796.88 is: 50,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,374.64 : 150,518.20 = 33,796.88 : x
  2. Step 2: Convert to fraction form
    100,374.64/150,518.20 = 33,796.88/x
  3. Step 3: Cross multiply
    100,374.64x = 150,518.20 × 33,796.88
  4. Step 4: Simplify right side
    100,374.64x = 5,087,045,543.22
  5. Step 5: Solve for x
    x = 5,087,045,543.22/100,374.64
  6. Step 6: Final answer
    x = 50,680.59

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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.