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Finding the Fourth Proportional to 92,401.65, 138,605.94 and 41,791.05

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Solution

The fourth proportional to 92,401.65, 138,605.94 and 41,791.05 is: 62,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,401.65 : 138,605.94 = 41,791.05 : x
  2. Step 2: Convert to fraction form
    92,401.65/138,605.94 = 41,791.05/x
  3. Step 3: Cross multiply
    92,401.65x = 138,605.94 × 41,791.05
  4. Step 4: Simplify right side
    92,401.65x = 5,792,487,768.84
  5. Step 5: Solve for x
    x = 5,792,487,768.84/92,401.65
  6. Step 6: Final answer
    x = 62,688.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.