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Finding the Fourth Proportional to 133,954.72, 200,932.07 and 40,460.47

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Solution

The fourth proportional to 133,954.72, 200,932.07 and 40,460.47 is: 60,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,954.72 : 200,932.07 = 40,460.47 : x
  2. Step 2: Convert to fraction form
    133,954.72/200,932.07 = 40,460.47/x
  3. Step 3: Cross multiply
    133,954.72x = 200,932.07 × 40,460.47
  4. Step 4: Simplify right side
    133,954.72x = 8,129,805,589.09
  5. Step 5: Solve for x
    x = 8,129,805,589.09/133,954.72
  6. Step 6: Final answer
    x = 60,690.70

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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.