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Finding the Fourth Proportional to 92,305.88, 127,382.12 and 49,864.41

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Solution

The fourth proportional to 92,305.88, 127,382.12 and 49,864.41 is: 68,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,305.88 : 127,382.12 = 49,864.41 : x
  2. Step 2: Convert to fraction form
    92,305.88/127,382.12 = 49,864.41/x
  3. Step 3: Cross multiply
    92,305.88x = 127,382.12 × 49,864.41
  4. Step 4: Simplify right side
    92,305.88x = 6,351,834,009.03
  5. Step 5: Solve for x
    x = 6,351,834,009.03/92,305.88
  6. Step 6: Final answer
    x = 68,812.89

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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.