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Finding the Fourth Proportional to 168,910.70, 253,440.22 and 63,705.08

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Solution

The fourth proportional to 168,910.70, 253,440.22 and 63,705.08 is: 95,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,910.70 : 253,440.22 = 63,705.08 : x
  2. Step 2: Convert to fraction form
    168,910.70/253,440.22 = 63,705.08/x
  3. Step 3: Cross multiply
    168,910.70x = 253,440.22 × 63,705.08
  4. Step 4: Simplify right side
    168,910.70x = 16,145,429,490.32
  5. Step 5: Solve for x
    x = 16,145,429,490.32/168,910.70
  6. Step 6: Final answer
    x = 95,585.59

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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.