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Finding the Fourth Proportional to 192,978, 266,309.64 and 108,094.86

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Solution

The fourth proportional to 192,978, 266,309.64 and 108,094.86 is: 149,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,978 : 266,309.64 = 108,094.86 : x
  2. Step 2: Convert to fraction form
    192,978/266,309.64 = 108,094.86/x
  3. Step 3: Cross multiply
    192,978x = 266,309.64 × 108,094.86
  4. Step 4: Simplify right side
    192,978x = 28,786,703,252.45
  5. Step 5: Solve for x
    x = 28,786,703,252.45/192,978
  6. Step 6: Final answer
    x = 149,170.91

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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.