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Finding the Fourth Proportional to 200,640.84, 276,887.46 and 110,005.48

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Solution

The fourth proportional to 200,640.84, 276,887.46 and 110,005.48 is: 151,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,640.84 : 276,887.46 = 110,005.48 : x
  2. Step 2: Convert to fraction form
    200,640.84/276,887.46 = 110,005.48/x
  3. Step 3: Cross multiply
    200,640.84x = 276,887.46 × 110,005.48
  4. Step 4: Simplify right side
    200,640.84x = 30,459,137,943.28
  5. Step 5: Solve for x
    x = 30,459,137,943.28/200,640.84
  6. Step 6: Final answer
    x = 151,809.26

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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.