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Finding the Fourth Proportional to 100,958.94, 151,400.71 and 33,478.62

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Solution

The fourth proportional to 100,958.94, 151,400.71 and 33,478.62 is: 50,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,958.94 : 151,400.71 = 33,478.62 : x
  2. Step 2: Convert to fraction form
    100,958.94/151,400.71 = 33,478.62/x
  3. Step 3: Cross multiply
    100,958.94x = 151,400.71 × 33,478.62
  4. Step 4: Simplify right side
    100,958.94x = 5,068,686,311.92
  5. Step 5: Solve for x
    x = 5,068,686,311.92/100,958.94
  6. Step 6: Final answer
    x = 50,205.42

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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.