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Finding the Fourth Proportional to 192,892.78, 266,149.02 and 116,424.46

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Solution

The fourth proportional to 192,892.78, 266,149.02 and 116,424.46 is: 160,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,892.78 : 266,149.02 = 116,424.46 : x
  2. Step 2: Convert to fraction form
    192,892.78/266,149.02 = 116,424.46/x
  3. Step 3: Cross multiply
    192,892.78x = 266,149.02 × 116,424.46
  4. Step 4: Simplify right side
    192,892.78x = 30,986,255,933.03
  5. Step 5: Solve for x
    x = 30,986,255,933.03/192,892.78
  6. Step 6: Final answer
    x = 160,639.79

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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.