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Finding the Fourth Proportional to 167,256.72, 230,922.36 and 103,662

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Solution

The fourth proportional to 167,256.72, 230,922.36 and 103,662 is: 143,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,256.72 : 230,922.36 = 103,662 : x
  2. Step 2: Convert to fraction form
    167,256.72/230,922.36 = 103,662/x
  3. Step 3: Cross multiply
    167,256.72x = 230,922.36 × 103,662
  4. Step 4: Simplify right side
    167,256.72x = 23,937,873,682.32
  5. Step 5: Solve for x
    x = 23,937,873,682.32/167,256.72
  6. Step 6: Final answer
    x = 143,120.55

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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.