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Finding the Fourth Proportional to 167,372.64, 251,058.80 and 42,713.64

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Solution

The fourth proportional to 167,372.64, 251,058.80 and 42,713.64 is: 64,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,372.64 : 251,058.80 = 42,713.64 : x
  2. Step 2: Convert to fraction form
    167,372.64/251,058.80 = 42,713.64/x
  3. Step 3: Cross multiply
    167,372.64x = 251,058.80 × 42,713.64
  4. Step 4: Simplify right side
    167,372.64x = 10,723,635,202.03
  5. Step 5: Solve for x
    x = 10,723,635,202.03/167,372.64
  6. Step 6: Final answer
    x = 64,070.42

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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.