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Finding the Fourth Proportional to 100,507.68, 150,777.90 and 33,951.78

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Solution

The fourth proportional to 100,507.68, 150,777.90 and 33,951.78 is: 50,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,507.68 : 150,777.90 = 33,951.78 : x
  2. Step 2: Convert to fraction form
    100,507.68/150,777.90 = 33,951.78/x
  3. Step 3: Cross multiply
    100,507.68x = 150,777.90 × 33,951.78
  4. Step 4: Simplify right side
    100,507.68x = 5,119,178,089.66
  5. Step 5: Solve for x
    x = 5,119,178,089.66/100,507.68
  6. Step 6: Final answer
    x = 50,933.20

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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.