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Finding the Fourth Proportional to 127,083.44, 190,626.60 and 43,958

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Solution

The fourth proportional to 127,083.44, 190,626.60 and 43,958 is: 65,937.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.44 : 190,626.60 = 43,958 : x
  2. Step 2: Convert to fraction form
    127,083.44/190,626.60 = 43,958/x
  3. Step 3: Cross multiply
    127,083.44x = 190,626.60 × 43,958
  4. Step 4: Simplify right side
    127,083.44x = 8,379,564,082.80
  5. Step 5: Solve for x
    x = 8,379,564,082.80/127,083.44
  6. Step 6: Final answer
    x = 65,937.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.