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Finding the Fourth Proportional to 207,996.93, 311,971.30 and 58,249.19

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Solution

The fourth proportional to 207,996.93, 311,971.30 and 58,249.19 is: 87,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,996.93 : 311,971.30 = 58,249.19 : x
  2. Step 2: Convert to fraction form
    207,996.93/311,971.30 = 58,249.19/x
  3. Step 3: Cross multiply
    207,996.93x = 311,971.30 × 58,249.19
  4. Step 4: Simplify right side
    207,996.93x = 18,172,076,162.55
  5. Step 5: Solve for x
    x = 18,172,076,162.55/207,996.93
  6. Step 6: Final answer
    x = 87,367.04

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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.