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Finding the Fourth Proportional to 100,171.78, 150,333.86 and 37,051.62

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Solution

The fourth proportional to 100,171.78, 150,333.86 and 37,051.62 is: 55,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,171.78 : 150,333.86 = 37,051.62 : x
  2. Step 2: Convert to fraction form
    100,171.78/150,333.86 = 37,051.62/x
  3. Step 3: Cross multiply
    100,171.78x = 150,333.86 × 37,051.62
  4. Step 4: Simplify right side
    100,171.78x = 5,570,113,053.85
  5. Step 5: Solve for x
    x = 5,570,113,053.85/100,171.78
  6. Step 6: Final answer
    x = 55,605.61

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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.