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Finding the Fourth Proportional to 188,455.20, 264,187.20 and 188,455.20

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Solution

The fourth proportional to 188,455.20, 264,187.20 and 188,455.20 is: 264,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,455.20 : 264,187.20 = 188,455.20 : x
  2. Step 2: Convert to fraction form
    188,455.20/264,187.20 = 188,455.20/x
  3. Step 3: Cross multiply
    188,455.20x = 264,187.20 × 188,455.20
  4. Step 4: Simplify right side
    188,455.20x = 49,787,451,613.44
  5. Step 5: Solve for x
    x = 49,787,451,613.44/188,455.20
  6. Step 6: Final answer
    x = 264,187.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.