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Finding the Fourth Proportional to 247,068, 340,955.46 and 133,891.56

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Solution

The fourth proportional to 247,068, 340,955.46 and 133,891.56 is: 184,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,068 : 340,955.46 = 133,891.56 : x
  2. Step 2: Convert to fraction form
    247,068/340,955.46 = 133,891.56/x
  3. Step 3: Cross multiply
    247,068x = 340,955.46 × 133,891.56
  4. Step 4: Simplify right side
    247,068x = 45,651,058,429.92
  5. Step 5: Solve for x
    x = 45,651,058,429.92/247,068
  6. Step 6: Final answer
    x = 184,771.23

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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.