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Finding the Fourth Proportional to 248,093.76, 372,140.73 and 61,105.26

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Solution

The fourth proportional to 248,093.76, 372,140.73 and 61,105.26 is: 91,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,093.76 : 372,140.73 = 61,105.26 : x
  2. Step 2: Convert to fraction form
    248,093.76/372,140.73 = 61,105.26/x
  3. Step 3: Cross multiply
    248,093.76x = 372,140.73 × 61,105.26
  4. Step 4: Simplify right side
    248,093.76x = 22,739,756,063.24
  5. Step 5: Solve for x
    x = 22,739,756,063.24/248,093.76
  6. Step 6: Final answer
    x = 91,657.91

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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.