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Finding the Fourth Proportional to 92,355.66, 127,450.85 and 49,914.22

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Solution

The fourth proportional to 92,355.66, 127,450.85 and 49,914.22 is: 68,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,355.66 : 127,450.85 = 49,914.22 : x
  2. Step 2: Convert to fraction form
    92,355.66/127,450.85 = 49,914.22/x
  3. Step 3: Cross multiply
    92,355.66x = 127,450.85 × 49,914.22
  4. Step 4: Simplify right side
    92,355.66x = 6,361,609,766.09
  5. Step 5: Solve for x
    x = 6,361,609,766.09/92,355.66
  6. Step 6: Final answer
    x = 68,881.64

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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.