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Finding the Fourth Proportional to 100,439.52, 150,659.28 and 44,267.64

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Solution

The fourth proportional to 100,439.52, 150,659.28 and 44,267.64 is: 66,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,439.52 : 150,659.28 = 44,267.64 : x
  2. Step 2: Convert to fraction form
    100,439.52/150,659.28 = 44,267.64/x
  3. Step 3: Cross multiply
    100,439.52x = 150,659.28 × 44,267.64
  4. Step 4: Simplify right side
    100,439.52x = 6,669,330,769.70
  5. Step 5: Solve for x
    x = 6,669,330,769.70/100,439.52
  6. Step 6: Final answer
    x = 66,401.46

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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.