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Finding the Fourth Proportional to 168,707.01, 253,060.52 and 68,914.29

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Solution

The fourth proportional to 168,707.01, 253,060.52 and 68,914.29 is: 103,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,707.01 : 253,060.52 = 68,914.29 : x
  2. Step 2: Convert to fraction form
    168,707.01/253,060.52 = 68,914.29/x
  3. Step 3: Cross multiply
    168,707.01x = 253,060.52 × 68,914.29
  4. Step 4: Simplify right side
    168,707.01x = 17,439,485,718.26
  5. Step 5: Solve for x
    x = 17,439,485,718.26/168,707.01
  6. Step 6: Final answer
    x = 103,371.44

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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.