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Finding the Fourth Proportional to 325,757.25, 488,516.04 and 112,470.98

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Solution

The fourth proportional to 325,757.25, 488,516.04 and 112,470.98 is: 168,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,757.25 : 488,516.04 = 112,470.98 : x
  2. Step 2: Convert to fraction form
    325,757.25/488,516.04 = 112,470.98/x
  3. Step 3: Cross multiply
    325,757.25x = 488,516.04 × 112,470.98
  4. Step 4: Simplify right side
    325,757.25x = 54,943,875,321.94
  5. Step 5: Solve for x
    x = 54,943,875,321.94/325,757.25
  6. Step 6: Final answer
    x = 168,665.09

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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.