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Finding the Fourth Proportional to 168,658.72, 252,996.18 and 50,339.32

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Solution

The fourth proportional to 168,658.72, 252,996.18 and 50,339.32 is: 75,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.72 : 252,996.18 = 50,339.32 : x
  2. Step 2: Convert to fraction form
    168,658.72/252,996.18 = 50,339.32/x
  3. Step 3: Cross multiply
    168,658.72x = 252,996.18 × 50,339.32
  4. Step 4: Simplify right side
    168,658.72x = 12,735,655,663.80
  5. Step 5: Solve for x
    x = 12,735,655,663.80/168,658.72
  6. Step 6: Final answer
    x = 75,511.40

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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.