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Finding the Fourth Proportional to 92,305.35, 127,381.51 and 49,863.88

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Solution

The fourth proportional to 92,305.35, 127,381.51 and 49,863.88 is: 68,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,305.35 : 127,381.51 = 49,863.88 : x
  2. Step 2: Convert to fraction form
    92,305.35/127,381.51 = 49,863.88/x
  3. Step 3: Cross multiply
    92,305.35x = 127,381.51 × 49,863.88
  4. Step 4: Simplify right side
    92,305.35x = 6,351,736,998.24
  5. Step 5: Solve for x
    x = 6,351,736,998.24/92,305.35
  6. Step 6: Final answer
    x = 68,812.23

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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.