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Finding the Fourth Proportional to 167,570.57, 251,214.48 and 72,729.29

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Solution

The fourth proportional to 167,570.57, 251,214.48 and 72,729.29 is: 109,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,570.57 : 251,214.48 = 72,729.29 : x
  2. Step 2: Convert to fraction form
    167,570.57/251,214.48 = 72,729.29/x
  3. Step 3: Cross multiply
    167,570.57x = 251,214.48 × 72,729.29
  4. Step 4: Simplify right side
    167,570.57x = 18,270,651,396.16
  5. Step 5: Solve for x
    x = 18,270,651,396.16/167,570.57
  6. Step 6: Final answer
    x = 109,032.58

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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.