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Finding the Fourth Proportional to 141,695.84, 212,571.79 and 40,494.80

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Solution

The fourth proportional to 141,695.84, 212,571.79 and 40,494.80 is: 60,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,695.84 : 212,571.79 = 40,494.80 : x
  2. Step 2: Convert to fraction form
    141,695.84/212,571.79 = 40,494.80/x
  3. Step 3: Cross multiply
    141,695.84x = 212,571.79 × 40,494.80
  4. Step 4: Simplify right side
    141,695.84x = 8,608,052,551.88
  5. Step 5: Solve for x
    x = 8,608,052,551.88/141,695.84
  6. Step 6: Final answer
    x = 60,750.21

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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.