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Finding the Fourth Proportional to 92,375.74, 127,478.61 and 49,934.27

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Solution

The fourth proportional to 92,375.74, 127,478.61 and 49,934.27 is: 68,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,375.74 : 127,478.61 = 49,934.27 : x
  2. Step 2: Convert to fraction form
    92,375.74/127,478.61 = 49,934.27/x
  3. Step 3: Cross multiply
    92,375.74x = 127,478.61 × 49,934.27
  4. Step 4: Simplify right side
    92,375.74x = 6,365,551,649.66
  5. Step 5: Solve for x
    x = 6,365,551,649.66/92,375.74
  6. Step 6: Final answer
    x = 68,909.34

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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.