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Finding the Fourth Proportional to 179,761.88, 248,079.29 and 103,305.57

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Solution

The fourth proportional to 179,761.88, 248,079.29 and 103,305.57 is: 142,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,761.88 : 248,079.29 = 103,305.57 : x
  2. Step 2: Convert to fraction form
    179,761.88/248,079.29 = 103,305.57/x
  3. Step 3: Cross multiply
    179,761.88x = 248,079.29 × 103,305.57
  4. Step 4: Simplify right side
    179,761.88x = 25,627,971,942.12
  5. Step 5: Solve for x
    x = 25,627,971,942.12/179,761.88
  6. Step 6: Final answer
    x = 142,566.23

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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.