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Finding the Fourth Proportional to 92,576.40, 127,753.92 and 50,134.56

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Solution

The fourth proportional to 92,576.40, 127,753.92 and 50,134.56 is: 69,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,576.40 : 127,753.92 = 50,134.56 : x
  2. Step 2: Convert to fraction form
    92,576.40/127,753.92 = 50,134.56/x
  3. Step 3: Cross multiply
    92,576.40x = 127,753.92 × 50,134.56
  4. Step 4: Simplify right side
    92,576.40x = 6,404,886,567.48
  5. Step 5: Solve for x
    x = 6,404,886,567.48/92,576.40
  6. Step 6: Final answer
    x = 69,184.87

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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.