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Finding the Fourth Proportional to 68,899.92, 95,037.48 and 47,379.84

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Solution

The fourth proportional to 68,899.92, 95,037.48 and 47,379.84 is: 65,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,899.92 : 95,037.48 = 47,379.84 : x
  2. Step 2: Convert to fraction form
    68,899.92/95,037.48 = 47,379.84/x
  3. Step 3: Cross multiply
    68,899.92x = 95,037.48 × 47,379.84
  4. Step 4: Simplify right side
    68,899.92x = 4,502,860,596.40
  5. Step 5: Solve for x
    x = 4,502,860,596.40/68,899.92
  6. Step 6: Final answer
    x = 65,353.64

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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.