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Finding the Fourth Proportional to 102,814.55, 154,234.13 and 36,240.92

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Solution

The fourth proportional to 102,814.55, 154,234.13 and 36,240.92 is: 54,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,814.55 : 154,234.13 = 36,240.92 : x
  2. Step 2: Convert to fraction form
    102,814.55/154,234.13 = 36,240.92/x
  3. Step 3: Cross multiply
    102,814.55x = 154,234.13 × 36,240.92
  4. Step 4: Simplify right side
    102,814.55x = 5,589,586,392.60
  5. Step 5: Solve for x
    x = 5,589,586,392.60/102,814.55
  6. Step 6: Final answer
    x = 54,365.71

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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.