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Finding the Fourth Proportional to 192,910.50, 266,216.63 and 108,029.52

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Solution

The fourth proportional to 192,910.50, 266,216.63 and 108,029.52 is: 149,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,910.50 : 266,216.63 = 108,029.52 : x
  2. Step 2: Convert to fraction form
    192,910.50/266,216.63 = 108,029.52/x
  3. Step 3: Cross multiply
    192,910.50x = 266,216.63 × 108,029.52
  4. Step 4: Simplify right side
    192,910.50x = 28,759,254,214.77
  5. Step 5: Solve for x
    x = 28,759,254,214.77/192,910.50
  6. Step 6: Final answer
    x = 149,080.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.