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Finding the Fourth Proportional to 167,129.58, 230,552.92 and 109,760.64

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Solution

The fourth proportional to 167,129.58, 230,552.92 and 109,760.64 is: 151,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,129.58 : 230,552.92 = 109,760.64 : x
  2. Step 2: Convert to fraction form
    167,129.58/230,552.92 = 109,760.64/x
  3. Step 3: Cross multiply
    167,129.58x = 230,552.92 × 109,760.64
  4. Step 4: Simplify right side
    167,129.58x = 25,305,636,053.07
  5. Step 5: Solve for x
    x = 25,305,636,053.07/167,129.58
  6. Step 6: Final answer
    x = 151,413.27

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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.