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Finding the Fourth Proportional to 100,330.68, 150,511.53 and 33,765.59

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Solution

The fourth proportional to 100,330.68, 150,511.53 and 33,765.59 is: 50,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,330.68 : 150,511.53 = 33,765.59 : x
  2. Step 2: Convert to fraction form
    100,330.68/150,511.53 = 33,765.59/x
  3. Step 3: Cross multiply
    100,330.68x = 150,511.53 × 33,765.59
  4. Step 4: Simplify right side
    100,330.68x = 5,082,111,115.15
  5. Step 5: Solve for x
    x = 5,082,111,115.15/100,330.68
  6. Step 6: Final answer
    x = 50,653.61

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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.