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Finding the Fourth Proportional to 207,249.69, 286,039.10 and 120,022.22

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Solution

The fourth proportional to 207,249.69, 286,039.10 and 120,022.22 is: 165,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,249.69 : 286,039.10 = 120,022.22 : x
  2. Step 2: Convert to fraction form
    207,249.69/286,039.10 = 120,022.22/x
  3. Step 3: Cross multiply
    207,249.69x = 286,039.10 × 120,022.22
  4. Step 4: Simplify right side
    207,249.69x = 34,331,046,922.10
  5. Step 5: Solve for x
    x = 34,331,046,922.10/207,249.69
  6. Step 6: Final answer
    x = 165,650.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.