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Finding the Fourth Proportional to 222,121, 333,216.18 and 72,325.96

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Solution

The fourth proportional to 222,121, 333,216.18 and 72,325.96 is: 108,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,121 : 333,216.18 = 72,325.96 : x
  2. Step 2: Convert to fraction form
    222,121/333,216.18 = 72,325.96/x
  3. Step 3: Cross multiply
    222,121x = 333,216.18 × 72,325.96
  4. Step 4: Simplify right side
    222,121x = 24,100,180,106.03
  5. Step 5: Solve for x
    x = 24,100,180,106.03/222,121
  6. Step 6: Final answer
    x = 108,500.23

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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.