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Finding the Fourth Proportional to 207,379.30, 286,180.25 and 116,734.98

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Solution

The fourth proportional to 207,379.30, 286,180.25 and 116,734.98 is: 161,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,379.30 : 286,180.25 = 116,734.98 : x
  2. Step 2: Convert to fraction form
    207,379.30/286,180.25 = 116,734.98/x
  3. Step 3: Cross multiply
    207,379.30x = 286,180.25 × 116,734.98
  4. Step 4: Simplify right side
    207,379.30x = 33,407,245,760.15
  5. Step 5: Solve for x
    x = 33,407,245,760.15/207,379.30
  6. Step 6: Final answer
    x = 161,092.48

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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.