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Finding the Fourth Proportional to 92,710.92, 127,940.54 and 50,268.54

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Solution

The fourth proportional to 92,710.92, 127,940.54 and 50,268.54 is: 69,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,710.92 : 127,940.54 = 50,268.54 : x
  2. Step 2: Convert to fraction form
    92,710.92/127,940.54 = 50,268.54/x
  3. Step 3: Cross multiply
    92,710.92x = 127,940.54 × 50,268.54
  4. Step 4: Simplify right side
    92,710.92x = 6,431,383,901.27
  5. Step 5: Solve for x
    x = 6,431,383,901.27/92,710.92
  6. Step 6: Final answer
    x = 69,370.30

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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.