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Finding the Fourth Proportional to 92,296.88, 127,369.74 and 49,855.41

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Solution

The fourth proportional to 92,296.88, 127,369.74 and 49,855.41 is: 68,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,296.88 : 127,369.74 = 49,855.41 : x
  2. Step 2: Convert to fraction form
    92,296.88/127,369.74 = 49,855.41/x
  3. Step 3: Cross multiply
    92,296.88x = 127,369.74 × 49,855.41
  4. Step 4: Simplify right side
    92,296.88x = 6,350,070,131.66
  5. Step 5: Solve for x
    x = 6,350,070,131.66/92,296.88
  6. Step 6: Final answer
    x = 68,800.49

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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.