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Finding the Fourth Proportional to 201,712.67, 302,571.44 and 68,595.65

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Solution

The fourth proportional to 201,712.67, 302,571.44 and 68,595.65 is: 102,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,712.67 : 302,571.44 = 68,595.65 : x
  2. Step 2: Convert to fraction form
    201,712.67/302,571.44 = 68,595.65/x
  3. Step 3: Cross multiply
    201,712.67x = 302,571.44 × 68,595.65
  4. Step 4: Simplify right side
    201,712.67x = 20,755,082,742.40
  5. Step 5: Solve for x
    x = 20,755,082,742.40/201,712.67
  6. Step 6: Final answer
    x = 102,894.30

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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.