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Finding the Fourth Proportional to 192,016.66, 264,981.09 and 105,980.26

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Solution

The fourth proportional to 192,016.66, 264,981.09 and 105,980.26 is: 146,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,016.66 : 264,981.09 = 105,980.26 : x
  2. Step 2: Convert to fraction form
    192,016.66/264,981.09 = 105,980.26/x
  3. Step 3: Cross multiply
    192,016.66x = 264,981.09 × 105,980.26
  4. Step 4: Simplify right side
    192,016.66x = 28,082,764,813.28
  5. Step 5: Solve for x
    x = 28,082,764,813.28/192,016.66
  6. Step 6: Final answer
    x = 146,251.71

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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.