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Finding the Fourth Proportional to 174,751.20, 262,321.20 and 108,266.40

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Solution

The fourth proportional to 174,751.20, 262,321.20 and 108,266.40 is: 162,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,751.20 : 262,321.20 = 108,266.40 : x
  2. Step 2: Convert to fraction form
    174,751.20/262,321.20 = 108,266.40/x
  3. Step 3: Cross multiply
    174,751.20x = 262,321.20 × 108,266.40
  4. Step 4: Simplify right side
    174,751.20x = 28,400,571,967.68
  5. Step 5: Solve for x
    x = 28,400,571,967.68/174,751.20
  6. Step 6: Final answer
    x = 162,520.04

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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.