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Finding the Fourth Proportional to 248,081.01, 372,121.61 and 61,092.51

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Solution

The fourth proportional to 248,081.01, 372,121.61 and 61,092.51 is: 91,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,081.01 : 372,121.61 = 61,092.51 : x
  2. Step 2: Convert to fraction form
    248,081.01/372,121.61 = 61,092.51/x
  3. Step 3: Cross multiply
    248,081.01x = 372,121.61 × 61,092.51
  4. Step 4: Simplify right side
    248,081.01x = 22,733,842,874.68
  5. Step 5: Solve for x
    x = 22,733,842,874.68/248,081.01
  6. Step 6: Final answer
    x = 91,638.79

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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.