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Finding the Fourth Proportional to 126,563.70, 174,651.48 and 69,964.14

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Solution

The fourth proportional to 126,563.70, 174,651.48 and 69,964.14 is: 96,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,563.70 : 174,651.48 = 69,964.14 : x
  2. Step 2: Convert to fraction form
    126,563.70/174,651.48 = 69,964.14/x
  3. Step 3: Cross multiply
    126,563.70x = 174,651.48 × 69,964.14
  4. Step 4: Simplify right side
    126,563.70x = 12,219,340,597.93
  5. Step 5: Solve for x
    x = 12,219,340,597.93/126,563.70
  6. Step 6: Final answer
    x = 96,546.96

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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.