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Finding the Fourth Proportional to 168,228.64, 252,304.08 and 49,871.44

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Solution

The fourth proportional to 168,228.64, 252,304.08 and 49,871.44 is: 74,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,228.64 : 252,304.08 = 49,871.44 : x
  2. Step 2: Convert to fraction form
    168,228.64/252,304.08 = 49,871.44/x
  3. Step 3: Cross multiply
    168,228.64x = 252,304.08 × 49,871.44
  4. Step 4: Simplify right side
    168,228.64x = 12,582,767,787.48
  5. Step 5: Solve for x
    x = 12,582,767,787.48/168,228.64
  6. Step 6: Final answer
    x = 74,795.63

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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.