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Finding the Fourth Proportional to 171,679.50, 236,925 and 96,228

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Solution

The fourth proportional to 171,679.50, 236,925 and 96,228 is: 132,798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679.50 : 236,925 = 96,228 : x
  2. Step 2: Convert to fraction form
    171,679.50/236,925 = 96,228/x
  3. Step 3: Cross multiply
    171,679.50x = 236,925 × 96,228
  4. Step 4: Simplify right side
    171,679.50x = 22,798,818,900
  5. Step 5: Solve for x
    x = 22,798,818,900/171,679.50
  6. Step 6: Final answer
    x = 132,798.73

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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.