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Finding the Fourth Proportional to 200,693.70, 276,970.11 and 132,591.20

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Solution

The fourth proportional to 200,693.70, 276,970.11 and 132,591.20 is: 182,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,693.70 : 276,970.11 = 132,591.20 : x
  2. Step 2: Convert to fraction form
    200,693.70/276,970.11 = 132,591.20/x
  3. Step 3: Cross multiply
    200,693.70x = 276,970.11 × 132,591.20
  4. Step 4: Simplify right side
    200,693.70x = 36,723,800,076.81
  5. Step 5: Solve for x
    x = 36,723,800,076.81/200,693.70
  6. Step 6: Final answer
    x = 182,984.32

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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.