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Finding the Fourth Proportional to 222,361.60, 333,315.60 and 109,868.80

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Solution

The fourth proportional to 222,361.60, 333,315.60 and 109,868.80 is: 164,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,361.60 : 333,315.60 = 109,868.80 : x
  2. Step 2: Convert to fraction form
    222,361.60/333,315.60 = 109,868.80/x
  3. Step 3: Cross multiply
    222,361.60x = 333,315.60 × 109,868.80
  4. Step 4: Simplify right side
    222,361.60x = 36,620,984,993.28
  5. Step 5: Solve for x
    x = 36,620,984,993.28/222,361.60
  6. Step 6: Final answer
    x = 164,691.14

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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.