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Finding the Fourth Proportional to 141,850.62, 212,783.22 and 36,670.50

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Solution

The fourth proportional to 141,850.62, 212,783.22 and 36,670.50 is: 55,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,850.62 : 212,783.22 = 36,670.50 : x
  2. Step 2: Convert to fraction form
    141,850.62/212,783.22 = 36,670.50/x
  3. Step 3: Cross multiply
    141,850.62x = 212,783.22 × 36,670.50
  4. Step 4: Simplify right side
    141,850.62x = 7,802,867,069.01
  5. Step 5: Solve for x
    x = 7,802,867,069.01/141,850.62
  6. Step 6: Final answer
    x = 55,007.63

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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.