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Finding the Fourth Proportional to 167,668.96, 251,274.40 and 92,678.08

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Solution

The fourth proportional to 167,668.96, 251,274.40 and 92,678.08 is: 138,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,668.96 : 251,274.40 = 92,678.08 : x
  2. Step 2: Convert to fraction form
    167,668.96/251,274.40 = 92,678.08/x
  3. Step 3: Cross multiply
    167,668.96x = 251,274.40 × 92,678.08
  4. Step 4: Simplify right side
    167,668.96x = 23,287,628,945.15
  5. Step 5: Solve for x
    x = 23,287,628,945.15/167,668.96
  6. Step 6: Final answer
    x = 138,890.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.