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Finding the Fourth Proportional to 167,065.80, 251,181.90 and 163,566.60

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Solution

The fourth proportional to 167,065.80, 251,181.90 and 163,566.60 is: 245,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,065.80 : 251,181.90 = 163,566.60 : x
  2. Step 2: Convert to fraction form
    167,065.80/251,181.90 = 163,566.60/x
  3. Step 3: Cross multiply
    167,065.80x = 251,181.90 × 163,566.60
  4. Step 4: Simplify right side
    167,065.80x = 41,084,969,364.54
  5. Step 5: Solve for x
    x = 41,084,969,364.54/167,065.80
  6. Step 6: Final answer
    x = 245,920.88

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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.