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Finding the Fourth Proportional to 168,332.54, 252,455.61 and 49,976.42

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Solution

The fourth proportional to 168,332.54, 252,455.61 and 49,976.42 is: 74,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,332.54 : 252,455.61 = 49,976.42 : x
  2. Step 2: Convert to fraction form
    168,332.54/252,455.61 = 49,976.42/x
  3. Step 3: Cross multiply
    168,332.54x = 252,455.61 × 49,976.42
  4. Step 4: Simplify right side
    168,332.54x = 12,616,827,596.72
  5. Step 5: Solve for x
    x = 12,616,827,596.72/168,332.54
  6. Step 6: Final answer
    x = 74,951.80

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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.