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Finding the Fourth Proportional to 92,710.37, 127,940.39 and 50,268.90

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Solution

The fourth proportional to 92,710.37, 127,940.39 and 50,268.90 is: 69,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,710.37 : 127,940.39 = 50,268.90 : x
  2. Step 2: Convert to fraction form
    92,710.37/127,940.39 = 50,268.90/x
  3. Step 3: Cross multiply
    92,710.37x = 127,940.39 × 50,268.90
  4. Step 4: Simplify right side
    92,710.37x = 6,431,422,946.43
  5. Step 5: Solve for x
    x = 6,431,422,946.43/92,710.37
  6. Step 6: Final answer
    x = 69,371.13

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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.