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Finding the Fourth Proportional to 222,544.80, 333,817.20 and 89,445.60

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Solution

The fourth proportional to 222,544.80, 333,817.20 and 89,445.60 is: 134,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,544.80 : 333,817.20 = 89,445.60 : x
  2. Step 2: Convert to fraction form
    222,544.80/333,817.20 = 89,445.60/x
  3. Step 3: Cross multiply
    222,544.80x = 333,817.20 × 89,445.60
  4. Step 4: Simplify right side
    222,544.80x = 29,858,479,744.32
  5. Step 5: Solve for x
    x = 29,858,479,744.32/222,544.80
  6. Step 6: Final answer
    x = 134,168.40

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1.5x scale

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.