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Finding the Fourth Proportional to 248,256.41, 372,442.94 and 70,765.97

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Solution

The fourth proportional to 248,256.41, 372,442.94 and 70,765.97 is: 106,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,256.41 : 372,442.94 = 70,765.97 : x
  2. Step 2: Convert to fraction form
    248,256.41/372,442.94 = 70,765.97/x
  3. Step 3: Cross multiply
    248,256.41x = 372,442.94 × 70,765.97
  4. Step 4: Simplify right side
    248,256.41x = 26,356,285,564.92
  5. Step 5: Solve for x
    x = 26,356,285,564.92/248,256.41
  6. Step 6: Final answer
    x = 106,165.58

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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.