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Finding the Fourth Proportional to 92,472.44, 127,611.86 and 50,031

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Solution

The fourth proportional to 92,472.44, 127,611.86 and 50,031 is: 69,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,472.44 : 127,611.86 = 50,031 : x
  2. Step 2: Convert to fraction form
    92,472.44/127,611.86 = 50,031/x
  3. Step 3: Cross multiply
    92,472.44x = 127,611.86 × 50,031
  4. Step 4: Simplify right side
    92,472.44x = 6,384,548,717.51
  5. Step 5: Solve for x
    x = 6,384,548,717.51/92,472.44
  6. Step 6: Final answer
    x = 69,042.72

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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.