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Finding the Fourth Proportional to 167,605.45, 251,407.51 and 67,764.44

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Solution

The fourth proportional to 167,605.45, 251,407.51 and 67,764.44 is: 101,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,605.45 : 251,407.51 = 67,764.44 : x
  2. Step 2: Convert to fraction form
    167,605.45/251,407.51 = 67,764.44/x
  3. Step 3: Cross multiply
    167,605.45x = 251,407.51 × 67,764.44
  4. Step 4: Simplify right side
    167,605.45x = 17,036,489,126.94
  5. Step 5: Solve for x
    x = 17,036,489,126.94/167,605.45
  6. Step 6: Final answer
    x = 101,646.39

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1.5x scale

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.