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Finding the Fourth Proportional to 92,411.54, 127,527.83 and 49,969.97

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Solution

The fourth proportional to 92,411.54, 127,527.83 and 49,969.97 is: 68,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,411.54 : 127,527.83 = 49,969.97 : x
  2. Step 2: Convert to fraction form
    92,411.54/127,527.83 = 49,969.97/x
  3. Step 3: Cross multiply
    92,411.54x = 127,527.83 × 49,969.97
  4. Step 4: Simplify right side
    92,411.54x = 6,372,561,898.47
  5. Step 5: Solve for x
    x = 6,372,561,898.47/92,411.54
  6. Step 6: Final answer
    x = 68,958.51

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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.