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Finding the Fourth Proportional to 247,068.24, 340,954.14 and 133,891

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Solution

The fourth proportional to 247,068.24, 340,954.14 and 133,891 is: 184,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,068.24 : 340,954.14 = 133,891 : x
  2. Step 2: Convert to fraction form
    247,068.24/340,954.14 = 133,891/x
  3. Step 3: Cross multiply
    247,068.24x = 340,954.14 × 133,891
  4. Step 4: Simplify right side
    247,068.24x = 45,650,690,758.74
  5. Step 5: Solve for x
    x = 45,650,690,758.74/247,068.24
  6. Step 6: Final answer
    x = 184,769.56

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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.