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Finding the Fourth Proportional to 95,153.91, 142,633.67 and 61,940.67

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Solution

The fourth proportional to 95,153.91, 142,633.67 and 61,940.67 is: 92,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,153.91 : 142,633.67 = 61,940.67 : x
  2. Step 2: Convert to fraction form
    95,153.91/142,633.67 = 61,940.67/x
  3. Step 3: Cross multiply
    95,153.91x = 142,633.67 × 61,940.67
  4. Step 4: Simplify right side
    95,153.91x = 8,834,824,774.66
  5. Step 5: Solve for x
    x = 8,834,824,774.66/95,153.91
  6. Step 6: Final answer
    x = 92,847.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.