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Finding the Fourth Proportional to 167,370.64, 251,055.80 and 42,711.64

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Solution

The fourth proportional to 167,370.64, 251,055.80 and 42,711.64 is: 64,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,370.64 : 251,055.80 = 42,711.64 : x
  2. Step 2: Convert to fraction form
    167,370.64/251,055.80 = 42,711.64/x
  3. Step 3: Cross multiply
    167,370.64x = 251,055.80 × 42,711.64
  4. Step 4: Simplify right side
    167,370.64x = 10,723,004,949.51
  5. Step 5: Solve for x
    x = 10,723,004,949.51/167,370.64
  6. Step 6: Final answer
    x = 64,067.42

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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.