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Finding the Fourth Proportional to 192,791.82, 266,052.50 and 107,908.88

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Solution

The fourth proportional to 192,791.82, 266,052.50 and 107,908.88 is: 148,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,791.82 : 266,052.50 = 107,908.88 : x
  2. Step 2: Convert to fraction form
    192,791.82/266,052.50 = 107,908.88/x
  3. Step 3: Cross multiply
    192,791.82x = 266,052.50 × 107,908.88
  4. Step 4: Simplify right side
    192,791.82x = 28,709,428,075.87
  5. Step 5: Solve for x
    x = 28,709,428,075.87/192,791.82
  6. Step 6: Final answer
    x = 148,914.14

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1.5x scale

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.