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Finding the Fourth Proportional to 247,674.84, 341,795.88 and 140,244.54

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Solution

The fourth proportional to 247,674.84, 341,795.88 and 140,244.54 is: 193,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,674.84 : 341,795.88 = 140,244.54 : x
  2. Step 2: Convert to fraction form
    247,674.84/341,795.88 = 140,244.54/x
  3. Step 3: Cross multiply
    247,674.84x = 341,795.88 × 140,244.54
  4. Step 4: Simplify right side
    247,674.84x = 47,935,005,964.50
  5. Step 5: Solve for x
    x = 47,935,005,964.50/247,674.84
  6. Step 6: Final answer
    x = 193,540.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.