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Finding the Fourth Proportional to 192,022.64, 264,986.28 and 105,980.52

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Solution

The fourth proportional to 192,022.64, 264,986.28 and 105,980.52 is: 146,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,022.64 : 264,986.28 = 105,980.52 : x
  2. Step 2: Convert to fraction form
    192,022.64/264,986.28 = 105,980.52/x
  3. Step 3: Cross multiply
    192,022.64x = 264,986.28 × 105,980.52
  4. Step 4: Simplify right side
    192,022.64x = 28,083,383,747.27
  5. Step 5: Solve for x
    x = 28,083,383,747.27/192,022.64
  6. Step 6: Final answer
    x = 146,250.38

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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.