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Finding the Fourth Proportional to 174,777, 262,165.61 and 74,872.56

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Solution

The fourth proportional to 174,777, 262,165.61 and 74,872.56 is: 112,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,777 : 262,165.61 = 74,872.56 : x
  2. Step 2: Convert to fraction form
    174,777/262,165.61 = 74,872.56/x
  3. Step 3: Cross multiply
    174,777x = 262,165.61 × 74,872.56
  4. Step 4: Simplify right side
    174,777x = 19,629,009,990.30
  5. Step 5: Solve for x
    x = 19,629,009,990.30/174,777
  6. Step 6: Final answer
    x = 112,308.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.