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Finding the Fourth Proportional to 175,348.80, 263,023.20 and 119,361.60

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Solution

The fourth proportional to 175,348.80, 263,023.20 and 119,361.60 is: 179,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,348.80 : 263,023.20 = 119,361.60 : x
  2. Step 2: Convert to fraction form
    175,348.80/263,023.20 = 119,361.60/x
  3. Step 3: Cross multiply
    175,348.80x = 263,023.20 × 119,361.60
  4. Step 4: Simplify right side
    175,348.80x = 31,394,869,989.12
  5. Step 5: Solve for x
    x = 31,394,869,989.12/175,348.80
  6. Step 6: Final answer
    x = 179,042.40

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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.