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Finding the Fourth Proportional to 167,975.61, 231,804.35 and 91,494.46

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Solution

The fourth proportional to 167,975.61, 231,804.35 and 91,494.46 is: 126,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975.61 : 231,804.35 = 91,494.46 : x
  2. Step 2: Convert to fraction form
    167,975.61/231,804.35 = 91,494.46/x
  3. Step 3: Cross multiply
    167,975.61x = 231,804.35 × 91,494.46
  4. Step 4: Simplify right side
    167,975.61x = 21,208,814,004.29
  5. Step 5: Solve for x
    x = 21,208,814,004.29/167,975.61
  6. Step 6: Final answer
    x = 126,261.27

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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.