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Finding the Fourth Proportional to 248,204.39, 372,245.08 and 70,712.94

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Solution

The fourth proportional to 248,204.39, 372,245.08 and 70,712.94 is: 106,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,204.39 : 372,245.08 = 70,712.94 : x
  2. Step 2: Convert to fraction form
    248,204.39/372,245.08 = 70,712.94/x
  3. Step 3: Cross multiply
    248,204.39x = 372,245.08 × 70,712.94
  4. Step 4: Simplify right side
    248,204.39x = 26,322,541,792.55
  5. Step 5: Solve for x
    x = 26,322,541,792.55/248,204.39
  6. Step 6: Final answer
    x = 106,051.88

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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.