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Finding the Fourth Proportional to 200,607.76, 276,845.81 and 109,963.70

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Solution

The fourth proportional to 200,607.76, 276,845.81 and 109,963.70 is: 151,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,607.76 : 276,845.81 = 109,963.70 : x
  2. Step 2: Convert to fraction form
    200,607.76/276,845.81 = 109,963.70/x
  3. Step 3: Cross multiply
    200,607.76x = 276,845.81 × 109,963.70
  4. Step 4: Simplify right side
    200,607.76x = 30,442,989,557.17
  5. Step 5: Solve for x
    x = 30,442,989,557.17/200,607.76
  6. Step 6: Final answer
    x = 151,753.80

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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.