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Finding the Fourth Proportional to 201,556.06, 302,379.05 and 61,325.62

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Solution

The fourth proportional to 201,556.06, 302,379.05 and 61,325.62 is: 92,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,556.06 : 302,379.05 = 61,325.62 : x
  2. Step 2: Convert to fraction form
    201,556.06/302,379.05 = 61,325.62/x
  3. Step 3: Cross multiply
    201,556.06x = 302,379.05 × 61,325.62
  4. Step 4: Simplify right side
    201,556.06x = 18,543,582,716.26
  5. Step 5: Solve for x
    x = 18,543,582,716.26/201,556.06
  6. Step 6: Final answer
    x = 92,002.11

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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.