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Finding the Fourth Proportional to 100,765.69, 151,208.75 and 37,630.15

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Solution

The fourth proportional to 100,765.69, 151,208.75 and 37,630.15 is: 56,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,765.69 : 151,208.75 = 37,630.15 : x
  2. Step 2: Convert to fraction form
    100,765.69/151,208.75 = 37,630.15/x
  3. Step 3: Cross multiply
    100,765.69x = 151,208.75 × 37,630.15
  4. Step 4: Simplify right side
    100,765.69x = 5,690,007,659.87
  5. Step 5: Solve for x
    x = 5,690,007,659.87/100,765.69
  6. Step 6: Final answer
    x = 56,467.71

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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.