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Finding the Fourth Proportional to 167,238, 230,788.44 and 91,791.36

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Solution

The fourth proportional to 167,238, 230,788.44 and 91,791.36 is: 126,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,238 : 230,788.44 = 91,791.36 : x
  2. Step 2: Convert to fraction form
    167,238/230,788.44 = 91,791.36/x
  3. Step 3: Cross multiply
    167,238x = 230,788.44 × 91,791.36
  4. Step 4: Simplify right side
    167,238x = 21,184,384,779.88
  5. Step 5: Solve for x
    x = 21,184,384,779.88/167,238
  6. Step 6: Final answer
    x = 126,672.08

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1.5x scale

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.