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Finding the Fourth Proportional to 126,305.25, 174,301.26 and 69,716.64

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Solution

The fourth proportional to 126,305.25, 174,301.26 and 69,716.64 is: 96,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,305.25 : 174,301.26 = 69,716.64 : x
  2. Step 2: Convert to fraction form
    126,305.25/174,301.26 = 69,716.64/x
  3. Step 3: Cross multiply
    126,305.25x = 174,301.26 × 69,716.64
  4. Step 4: Simplify right side
    126,305.25x = 12,151,698,194.97
  5. Step 5: Solve for x
    x = 12,151,698,194.97/126,305.25
  6. Step 6: Final answer
    x = 96,208.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.