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Finding the Fourth Proportional to 248,651.06, 372,976.25 and 115,458.48

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Solution

The fourth proportional to 248,651.06, 372,976.25 and 115,458.48 is: 173,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,651.06 : 372,976.25 = 115,458.48 : x
  2. Step 2: Convert to fraction form
    248,651.06/372,976.25 = 115,458.48/x
  3. Step 3: Cross multiply
    248,651.06x = 372,976.25 × 115,458.48
  4. Step 4: Simplify right side
    248,651.06x = 43,063,270,323.81
  5. Step 5: Solve for x
    x = 43,063,270,323.81/248,651.06
  6. Step 6: Final answer
    x = 173,187.56

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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.