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Finding the Fourth Proportional to 92,605.78, 127,795.98 and 50,164.31

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Solution

The fourth proportional to 92,605.78, 127,795.98 and 50,164.31 is: 69,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,605.78 : 127,795.98 = 50,164.31 : x
  2. Step 2: Convert to fraction form
    92,605.78/127,795.98 = 50,164.31/x
  3. Step 3: Cross multiply
    92,605.78x = 127,795.98 × 50,164.31
  4. Step 4: Simplify right side
    92,605.78x = 6,410,797,382.91
  5. Step 5: Solve for x
    x = 6,410,797,382.91/92,605.78
  6. Step 6: Final answer
    x = 69,226.75

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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.