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Finding the Fourth Proportional to 92,136, 127,148.22 and 51,850.44

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Solution

The fourth proportional to 92,136, 127,148.22 and 51,850.44 is: 71,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,136 : 127,148.22 = 51,850.44 : x
  2. Step 2: Convert to fraction form
    92,136/127,148.22 = 51,850.44/x
  3. Step 3: Cross multiply
    92,136x = 127,148.22 × 51,850.44
  4. Step 4: Simplify right side
    92,136x = 6,592,691,152.22
  5. Step 5: Solve for x
    x = 6,592,691,152.22/92,136
  6. Step 6: Final answer
    x = 71,553.91

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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.