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Finding the Fourth Proportional to 201,530.44, 302,279.82 and 61,288.84

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Solution

The fourth proportional to 201,530.44, 302,279.82 and 61,288.84 is: 91,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,530.44 : 302,279.82 = 61,288.84 : x
  2. Step 2: Convert to fraction form
    201,530.44/302,279.82 = 61,288.84/x
  3. Step 3: Cross multiply
    201,530.44x = 302,279.82 × 61,288.84
  4. Step 4: Simplify right side
    201,530.44x = 18,526,379,523.21
  5. Step 5: Solve for x
    x = 18,526,379,523.21/201,530.44
  6. Step 6: Final answer
    x = 91,928.44

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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.