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Finding the Fourth Proportional to 167,393.08, 231,007.98 and 91,948.60

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Solution

The fourth proportional to 167,393.08, 231,007.98 and 91,948.60 is: 126,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,393.08 : 231,007.98 = 91,948.60 : x
  2. Step 2: Convert to fraction form
    167,393.08/231,007.98 = 91,948.60/x
  3. Step 3: Cross multiply
    167,393.08x = 231,007.98 × 91,948.60
  4. Step 4: Simplify right side
    167,393.08x = 21,240,860,349.83
  5. Step 5: Solve for x
    x = 21,240,860,349.83/167,393.08
  6. Step 6: Final answer
    x = 126,892.11

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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.