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Finding the Fourth Proportional to 248,028.38, 372,042.57 and 61,039.88

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Solution

The fourth proportional to 248,028.38, 372,042.57 and 61,039.88 is: 91,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,028.38 : 372,042.57 = 61,039.88 : x
  2. Step 2: Convert to fraction form
    248,028.38/372,042.57 = 61,039.88/x
  3. Step 3: Cross multiply
    248,028.38x = 372,042.57 × 61,039.88
  4. Step 4: Simplify right side
    248,028.38x = 22,709,431,967.48
  5. Step 5: Solve for x
    x = 22,709,431,967.48/248,028.38
  6. Step 6: Final answer
    x = 91,559.81

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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.