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Finding the Fourth Proportional to 192,839.08, 266,127.78 and 107,951.08

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Solution

The fourth proportional to 192,839.08, 266,127.78 and 107,951.08 is: 148,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,839.08 : 266,127.78 = 107,951.08 : x
  2. Step 2: Convert to fraction form
    192,839.08/266,127.78 = 107,951.08/x
  3. Step 3: Cross multiply
    192,839.08x = 266,127.78 × 107,951.08
  4. Step 4: Simplify right side
    192,839.08x = 28,728,781,269.00
  5. Step 5: Solve for x
    x = 28,728,781,269.00/192,839.08
  6. Step 6: Final answer
    x = 148,978.00

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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.