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Finding the Fourth Proportional to 133,911.40, 200,867.10 and 131,943.10

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Solution

The fourth proportional to 133,911.40, 200,867.10 and 131,943.10 is: 197,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,911.40 : 200,867.10 = 131,943.10 : x
  2. Step 2: Convert to fraction form
    133,911.40/200,867.10 = 131,943.10/x
  3. Step 3: Cross multiply
    133,911.40x = 200,867.10 × 131,943.10
  4. Step 4: Simplify right side
    133,911.40x = 26,503,027,862.01
  5. Step 5: Solve for x
    x = 26,503,027,862.01/133,911.40
  6. Step 6: Final answer
    x = 197,914.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.