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Finding the Fourth Proportional to 248,297.48, 372,449.70 and 70,804.46

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Solution

The fourth proportional to 248,297.48, 372,449.70 and 70,804.46 is: 106,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,297.48 : 372,449.70 = 70,804.46 : x
  2. Step 2: Convert to fraction form
    248,297.48/372,449.70 = 70,804.46/x
  3. Step 3: Cross multiply
    248,297.48x = 372,449.70 × 70,804.46
  4. Step 4: Simplify right side
    248,297.48x = 26,371,099,885.66
  5. Step 5: Solve for x
    x = 26,371,099,885.66/248,297.48
  6. Step 6: Final answer
    x = 106,207.68

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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.