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Finding the Fourth Proportional to 175,043.20, 262,629.60 and 168,563.20

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Solution

The fourth proportional to 175,043.20, 262,629.60 and 168,563.20 is: 252,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,043.20 : 262,629.60 = 168,563.20 : x
  2. Step 2: Convert to fraction form
    175,043.20/262,629.60 = 168,563.20/x
  3. Step 3: Cross multiply
    175,043.20x = 262,629.60 × 168,563.20
  4. Step 4: Simplify right side
    175,043.20x = 44,269,685,790.72
  5. Step 5: Solve for x
    x = 44,269,685,790.72/175,043.20
  6. Step 6: Final answer
    x = 252,907.20

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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.