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Finding the Fourth Proportional to 264,329.91, 364,765.50 and 143,468.60

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Solution

The fourth proportional to 264,329.91, 364,765.50 and 143,468.60 is: 197,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,329.91 : 364,765.50 = 143,468.60 : x
  2. Step 2: Convert to fraction form
    264,329.91/364,765.50 = 143,468.60/x
  3. Step 3: Cross multiply
    264,329.91x = 364,765.50 × 143,468.60
  4. Step 4: Simplify right side
    264,329.91x = 52,332,393,789.47
  5. Step 5: Solve for x
    x = 52,332,393,789.47/264,329.91
  6. Step 6: Final answer
    x = 197,981.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.