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Finding the Fourth Proportional to 336,761.68, 505,220.28 and 100,099.12

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Solution

The fourth proportional to 336,761.68, 505,220.28 and 100,099.12 is: 150,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,761.68 : 505,220.28 = 100,099.12 : x
  2. Step 2: Convert to fraction form
    336,761.68/505,220.28 = 100,099.12/x
  3. Step 3: Cross multiply
    336,761.68x = 505,220.28 × 100,099.12
  4. Step 4: Simplify right side
    336,761.68x = 50,572,105,434.15
  5. Step 5: Solve for x
    x = 50,572,105,434.15/336,761.68
  6. Step 6: Final answer
    x = 150,171.79

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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.