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Finding the Fourth Proportional to 168,581, 252,908.46 and 63,399.98

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Solution

The fourth proportional to 168,581, 252,908.46 and 63,399.98 is: 95,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,581 : 252,908.46 = 63,399.98 : x
  2. Step 2: Convert to fraction form
    168,581/252,908.46 = 63,399.98/x
  3. Step 3: Cross multiply
    168,581x = 252,908.46 × 63,399.98
  4. Step 4: Simplify right side
    168,581x = 16,034,391,305.83
  5. Step 5: Solve for x
    x = 16,034,391,305.83/168,581
  6. Step 6: Final answer
    x = 95,113.87

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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.