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Finding the Fourth Proportional to 68,151.43, 102,131.43 and 58,104.21

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Solution

The fourth proportional to 68,151.43, 102,131.43 and 58,104.21 is: 87,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,151.43 : 102,131.43 = 58,104.21 : x
  2. Step 2: Convert to fraction form
    68,151.43/102,131.43 = 58,104.21/x
  3. Step 3: Cross multiply
    68,151.43x = 102,131.43 × 58,104.21
  4. Step 4: Simplify right side
    68,151.43x = 5,934,266,056.32
  5. Step 5: Solve for x
    x = 5,934,266,056.32/68,151.43
  6. Step 6: Final answer
    x = 87,074.71

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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.