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Finding the Fourth Proportional to 74,811.16, 112,183.98 and 22,223.80

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Solution

The fourth proportional to 74,811.16, 112,183.98 and 22,223.80 is: 33,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.16 : 112,183.98 = 22,223.80 : x
  2. Step 2: Convert to fraction form
    74,811.16/112,183.98 = 22,223.80/x
  3. Step 3: Cross multiply
    74,811.16x = 112,183.98 × 22,223.80
  4. Step 4: Simplify right side
    74,811.16x = 2,493,154,334.72
  5. Step 5: Solve for x
    x = 2,493,154,334.72/74,811.16
  6. Step 6: Final answer
    x = 33,325.97

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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.