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Finding the Fourth Proportional to 192,010.14, 264,986.73 and 107,129.01

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Solution

The fourth proportional to 192,010.14, 264,986.73 and 107,129.01 is: 147,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,010.14 : 264,986.73 = 107,129.01 : x
  2. Step 2: Convert to fraction form
    192,010.14/264,986.73 = 107,129.01/x
  3. Step 3: Cross multiply
    192,010.14x = 264,986.73 × 107,129.01
  4. Step 4: Simplify right side
    192,010.14x = 28,387,766,048.04
  5. Step 5: Solve for x
    x = 28,387,766,048.04/192,010.14
  6. Step 6: Final answer
    x = 147,845.14

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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.