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Finding the Fourth Proportional to 168,025, 231,874.52 and 92,575.12

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Solution

The fourth proportional to 168,025, 231,874.52 and 92,575.12 is: 127,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025 : 231,874.52 = 92,575.12 : x
  2. Step 2: Convert to fraction form
    168,025/231,874.52 = 92,575.12/x
  3. Step 3: Cross multiply
    168,025x = 231,874.52 × 92,575.12
  4. Step 4: Simplify right side
    168,025x = 21,465,811,513.94
  5. Step 5: Solve for x
    x = 21,465,811,513.94/168,025
  6. Step 6: Final answer
    x = 127,753.68

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1.5x scale

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.