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Finding the Fourth Proportional to 100,327.46, 150,436.78 and 44,101.78

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Solution

The fourth proportional to 100,327.46, 150,436.78 and 44,101.78 is: 66,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327.46 : 150,436.78 = 44,101.78 : x
  2. Step 2: Convert to fraction form
    100,327.46/150,436.78 = 44,101.78/x
  3. Step 3: Cross multiply
    100,327.46x = 150,436.78 × 44,101.78
  4. Step 4: Simplify right side
    100,327.46x = 6,634,529,289.12
  5. Step 5: Solve for x
    x = 6,634,529,289.12/100,327.46
  6. Step 6: Final answer
    x = 66,128.75

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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.