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Finding the Fourth Proportional to 222,420.20, 333,630.30 and 82,160.60

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Solution

The fourth proportional to 222,420.20, 333,630.30 and 82,160.60 is: 123,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,420.20 : 333,630.30 = 82,160.60 : x
  2. Step 2: Convert to fraction form
    222,420.20/333,630.30 = 82,160.60/x
  3. Step 3: Cross multiply
    222,420.20x = 333,630.30 × 82,160.60
  4. Step 4: Simplify right side
    222,420.20x = 27,411,265,626.18
  5. Step 5: Solve for x
    x = 27,411,265,626.18/222,420.20
  6. Step 6: Final answer
    x = 123,240.90

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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.