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Finding the Fourth Proportional to 92,620.56, 127,816.57 and 50,179.09

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Solution

The fourth proportional to 92,620.56, 127,816.57 and 50,179.09 is: 69,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,620.56 : 127,816.57 = 50,179.09 : x
  2. Step 2: Convert to fraction form
    92,620.56/127,816.57 = 50,179.09/x
  3. Step 3: Cross multiply
    92,620.56x = 127,816.57 × 50,179.09
  4. Step 4: Simplify right side
    92,620.56x = 6,413,718,918.63
  5. Step 5: Solve for x
    x = 6,413,718,918.63/92,620.56
  6. Step 6: Final answer
    x = 69,247.25

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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.