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Finding the Fourth Proportional to 92,291.38, 127,362.11 and 49,849.91

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Solution

The fourth proportional to 92,291.38, 127,362.11 and 49,849.91 is: 68,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,291.38 : 127,362.11 = 49,849.91 : x
  2. Step 2: Convert to fraction form
    92,291.38/127,362.11 = 49,849.91/x
  3. Step 3: Cross multiply
    92,291.38x = 127,362.11 × 49,849.91
  4. Step 4: Simplify right side
    92,291.38x = 6,348,990,028.87
  5. Step 5: Solve for x
    x = 6,348,990,028.87/92,291.38
  6. Step 6: Final answer
    x = 68,792.88

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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.