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Finding the Fourth Proportional to 92,640.02, 127,843.02 and 50,198.45

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Solution

The fourth proportional to 92,640.02, 127,843.02 and 50,198.45 is: 69,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,640.02 : 127,843.02 = 50,198.45 : x
  2. Step 2: Convert to fraction form
    92,640.02/127,843.02 = 50,198.45/x
  3. Step 3: Cross multiply
    92,640.02x = 127,843.02 × 50,198.45
  4. Step 4: Simplify right side
    92,640.02x = 6,417,520,808.10
  5. Step 5: Solve for x
    x = 6,417,520,808.10/92,640.02
  6. Step 6: Final answer
    x = 69,273.75

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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.