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Finding the Fourth Proportional to 264,078.60, 396,069.30 and 164,059.80

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Solution

The fourth proportional to 264,078.60, 396,069.30 and 164,059.80 is: 246,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,078.60 : 396,069.30 = 164,059.80 : x
  2. Step 2: Convert to fraction form
    264,078.60/396,069.30 = 164,059.80/x
  3. Step 3: Cross multiply
    264,078.60x = 396,069.30 × 164,059.80
  4. Step 4: Simplify right side
    264,078.60x = 64,979,050,144.14
  5. Step 5: Solve for x
    x = 64,979,050,144.14/264,078.60
  6. Step 6: Final answer
    x = 246,059.51

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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.