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Finding the Fourth Proportional to 172,814.14, 259,212.57 and 67,652.38

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Solution

The fourth proportional to 172,814.14, 259,212.57 and 67,652.38 is: 101,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814.14 : 259,212.57 = 67,652.38 : x
  2. Step 2: Convert to fraction form
    172,814.14/259,212.57 = 67,652.38/x
  3. Step 3: Cross multiply
    172,814.14x = 259,212.57 × 67,652.38
  4. Step 4: Simplify right side
    172,814.14x = 17,536,347,286.42
  5. Step 5: Solve for x
    x = 17,536,347,286.42/172,814.14
  6. Step 6: Final answer
    x = 101,475.19

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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.