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Finding the Fourth Proportional to 200,674.92, 276,939.87 and 114,648.06

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Solution

The fourth proportional to 200,674.92, 276,939.87 and 114,648.06 is: 158,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,674.92 : 276,939.87 = 114,648.06 : x
  2. Step 2: Convert to fraction form
    200,674.92/276,939.87 = 114,648.06/x
  3. Step 3: Cross multiply
    200,674.92x = 276,939.87 × 114,648.06
  4. Step 4: Simplify right side
    200,674.92x = 31,750,618,832.15
  5. Step 5: Solve for x
    x = 31,750,618,832.15/200,674.92
  6. Step 6: Final answer
    x = 158,219.17

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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.