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Finding the Fourth Proportional to 201,711.06, 302,611.55 and 61,480.62

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Solution

The fourth proportional to 201,711.06, 302,611.55 and 61,480.62 is: 92,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,711.06 : 302,611.55 = 61,480.62 : x
  2. Step 2: Convert to fraction form
    201,711.06/302,611.55 = 61,480.62/x
  3. Step 3: Cross multiply
    201,711.06x = 302,611.55 × 61,480.62
  4. Step 4: Simplify right side
    201,711.06x = 18,604,745,405.76
  5. Step 5: Solve for x
    x = 18,604,745,405.76/201,711.06
  6. Step 6: Final answer
    x = 92,234.63

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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.