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Finding the Fourth Proportional to 126,546.28, 174,627 and 69,954

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Solution

The fourth proportional to 126,546.28, 174,627 and 69,954 is: 96,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,546.28 : 174,627 = 69,954 : x
  2. Step 2: Convert to fraction form
    126,546.28/174,627 = 69,954/x
  3. Step 3: Cross multiply
    126,546.28x = 174,627 × 69,954
  4. Step 4: Simplify right side
    126,546.28x = 12,215,857,158
  5. Step 5: Solve for x
    x = 12,215,857,158/126,546.28
  6. Step 6: Final answer
    x = 96,532.72

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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.