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Finding the Fourth Proportional to 192,792.98, 266,054.22 and 107,910.02

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Solution

The fourth proportional to 192,792.98, 266,054.22 and 107,910.02 is: 148,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,792.98 : 266,054.22 = 107,910.02 : x
  2. Step 2: Convert to fraction form
    192,792.98/266,054.22 = 107,910.02/x
  3. Step 3: Cross multiply
    192,792.98x = 266,054.22 × 107,910.02
  4. Step 4: Simplify right side
    192,792.98x = 28,709,916,201.28
  5. Step 5: Solve for x
    x = 28,709,916,201.28/192,792.98
  6. Step 6: Final answer
    x = 148,915.78

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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.