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Finding the Fourth Proportional to 162,704.80, 244,057.20 and 148,189.60

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Solution

The fourth proportional to 162,704.80, 244,057.20 and 148,189.60 is: 222,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,704.80 : 244,057.20 = 148,189.60 : x
  2. Step 2: Convert to fraction form
    162,704.80/244,057.20 = 148,189.60/x
  3. Step 3: Cross multiply
    162,704.80x = 244,057.20 × 148,189.60
  4. Step 4: Simplify right side
    162,704.80x = 36,166,738,845.12
  5. Step 5: Solve for x
    x = 36,166,738,845.12/162,704.80
  6. Step 6: Final answer
    x = 222,284.40

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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.