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Finding the Fourth Proportional to 248,469.48, 372,591.90 and 70,934.22

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Solution

The fourth proportional to 248,469.48, 372,591.90 and 70,934.22 is: 106,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,469.48 : 372,591.90 = 70,934.22 : x
  2. Step 2: Convert to fraction form
    248,469.48/372,591.90 = 70,934.22/x
  3. Step 3: Cross multiply
    248,469.48x = 372,591.90 × 70,934.22
  4. Step 4: Simplify right side
    248,469.48x = 26,429,515,804.82
  5. Step 5: Solve for x
    x = 26,429,515,804.82/248,469.48
  6. Step 6: Final answer
    x = 106,369.26

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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.