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Finding the Fourth Proportional to 167,046.52, 230,829.60 and 121,645.48

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Solution

The fourth proportional to 167,046.52, 230,829.60 and 121,645.48 is: 168,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,046.52 : 230,829.60 = 121,645.48 : x
  2. Step 2: Convert to fraction form
    167,046.52/230,829.60 = 121,645.48/x
  3. Step 3: Cross multiply
    167,046.52x = 230,829.60 × 121,645.48
  4. Step 4: Simplify right side
    167,046.52x = 28,079,377,490.21
  5. Step 5: Solve for x
    x = 28,079,377,490.21/167,046.52
  6. Step 6: Final answer
    x = 168,093.16

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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.