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Finding the Fourth Proportional to 92,305.93, 127,382.18 and 49,864.46

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Solution

The fourth proportional to 92,305.93, 127,382.18 and 49,864.46 is: 68,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,305.93 : 127,382.18 = 49,864.46 : x
  2. Step 2: Convert to fraction form
    92,305.93/127,382.18 = 49,864.46/x
  3. Step 3: Cross multiply
    92,305.93x = 127,382.18 × 49,864.46
  4. Step 4: Simplify right side
    92,305.93x = 6,351,843,619.32
  5. Step 5: Solve for x
    x = 6,351,843,619.32/92,305.93
  6. Step 6: Final answer
    x = 68,812.95

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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.