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Finding the Fourth Proportional to 141,571.62, 212,209.35 and 52,786.50

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Solution

The fourth proportional to 141,571.62, 212,209.35 and 52,786.50 is: 79,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,571.62 : 212,209.35 = 52,786.50 : x
  2. Step 2: Convert to fraction form
    141,571.62/212,209.35 = 52,786.50/x
  3. Step 3: Cross multiply
    141,571.62x = 212,209.35 × 52,786.50
  4. Step 4: Simplify right side
    141,571.62x = 11,201,788,853.78
  5. Step 5: Solve for x
    x = 11,201,788,853.78/141,571.62
  6. Step 6: Final answer
    x = 79,124.54

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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.