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Finding the Fourth Proportional to 167,368.59, 230,973.98 and 91,917.09

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Solution

The fourth proportional to 167,368.59, 230,973.98 and 91,917.09 is: 126,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,368.59 : 230,973.98 = 91,917.09 : x
  2. Step 2: Convert to fraction form
    167,368.59/230,973.98 = 91,917.09/x
  3. Step 3: Cross multiply
    167,368.59x = 230,973.98 × 91,917.09
  4. Step 4: Simplify right side
    167,368.59x = 21,230,455,647.73
  5. Step 5: Solve for x
    x = 21,230,455,647.73/167,368.59
  6. Step 6: Final answer
    x = 126,848.51

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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.