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Finding the Fourth Proportional to 168,321.52, 252,438.90 and 49,966.12

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Solution

The fourth proportional to 168,321.52, 252,438.90 and 49,966.12 is: 74,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,321.52 : 252,438.90 = 49,966.12 : x
  2. Step 2: Convert to fraction form
    168,321.52/252,438.90 = 49,966.12/x
  3. Step 3: Cross multiply
    168,321.52x = 252,438.90 × 49,966.12
  4. Step 4: Simplify right side
    168,321.52x = 12,613,392,370.07
  5. Step 5: Solve for x
    x = 12,613,392,370.07/168,321.52
  6. Step 6: Final answer
    x = 74,936.30

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1.5x scale

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.