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Finding the Fourth Proportional to 167,370.63, 251,055.81 and 42,711.63

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Solution

The fourth proportional to 167,370.63, 251,055.81 and 42,711.63 is: 64,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,370.63 : 251,055.81 = 42,711.63 : x
  2. Step 2: Convert to fraction form
    167,370.63/251,055.81 = 42,711.63/x
  3. Step 3: Cross multiply
    167,370.63x = 251,055.81 × 42,711.63
  4. Step 4: Simplify right side
    167,370.63x = 10,723,002,866.07
  5. Step 5: Solve for x
    x = 10,723,002,866.07/167,370.63
  6. Step 6: Final answer
    x = 64,067.41

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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.