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Finding the Fourth Proportional to 70,183.54, 96,863.16 and 44,681.76

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Solution

The fourth proportional to 70,183.54, 96,863.16 and 44,681.76 is: 61,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.54 : 96,863.16 = 44,681.76 : x
  2. Step 2: Convert to fraction form
    70,183.54/96,863.16 = 44,681.76/x
  3. Step 3: Cross multiply
    70,183.54x = 96,863.16 × 44,681.76
  4. Step 4: Simplify right side
    70,183.54x = 4,328,015,760.24
  5. Step 5: Solve for x
    x = 4,328,015,760.24/70,183.54
  6. Step 6: Final answer
    x = 61,667.11

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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.