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Finding the Fourth Proportional to 167,049, 230,538.62 and 91,597.50

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Solution

The fourth proportional to 167,049, 230,538.62 and 91,597.50 is: 126,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,049 : 230,538.62 = 91,597.50 : x
  2. Step 2: Convert to fraction form
    167,049/230,538.62 = 91,597.50/x
  3. Step 3: Cross multiply
    167,049x = 230,538.62 × 91,597.50
  4. Step 4: Simplify right side
    167,049x = 21,116,761,474.44
  5. Step 5: Solve for x
    x = 21,116,761,474.44/167,049
  6. Step 6: Final answer
    x = 126,410.58

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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.