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Finding the Fourth Proportional to 211,694.58, 292,183.81 and 126,860.85

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Solution

The fourth proportional to 211,694.58, 292,183.81 and 126,860.85 is: 175,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,694.58 : 292,183.81 = 126,860.85 : x
  2. Step 2: Convert to fraction form
    211,694.58/292,183.81 = 126,860.85/x
  3. Step 3: Cross multiply
    211,694.58x = 292,183.81 × 126,860.85
  4. Step 4: Simplify right side
    211,694.58x = 37,066,686,175.69
  5. Step 5: Solve for x
    x = 37,066,686,175.69/211,694.58
  6. Step 6: Final answer
    x = 175,095.11

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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.