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Finding the Fourth Proportional to 67,482.99, 101,225.69 and 20,736.27

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Solution

The fourth proportional to 67,482.99, 101,225.69 and 20,736.27 is: 31,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,482.99 : 101,225.69 = 20,736.27 : x
  2. Step 2: Convert to fraction form
    67,482.99/101,225.69 = 20,736.27/x
  3. Step 3: Cross multiply
    67,482.99x = 101,225.69 × 20,736.27
  4. Step 4: Simplify right side
    67,482.99x = 2,099,043,135.09
  5. Step 5: Solve for x
    x = 2,099,043,135.09/67,482.99
  6. Step 6: Final answer
    x = 31,104.77

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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.