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Finding the Fourth Proportional to 167,364.36, 230,967.54 and 91,917.72

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Solution

The fourth proportional to 167,364.36, 230,967.54 and 91,917.72 is: 126,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,364.36 : 230,967.54 = 91,917.72 : x
  2. Step 2: Convert to fraction form
    167,364.36/230,967.54 = 91,917.72/x
  3. Step 3: Cross multiply
    167,364.36x = 230,967.54 × 91,917.72
  4. Step 4: Simplify right side
    167,364.36x = 21,230,009,670.81
  5. Step 5: Solve for x
    x = 21,230,009,670.81/167,364.36
  6. Step 6: Final answer
    x = 126,849.05

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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.