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Finding the Fourth Proportional to 201,929.67, 302,894.51 and 68,741.37

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Solution

The fourth proportional to 201,929.67, 302,894.51 and 68,741.37 is: 103,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,929.67 : 302,894.51 = 68,741.37 : x
  2. Step 2: Convert to fraction form
    201,929.67/302,894.51 = 68,741.37/x
  3. Step 3: Cross multiply
    201,929.67x = 302,894.51 × 68,741.37
  4. Step 4: Simplify right side
    201,929.67x = 20,821,383,582.88
  5. Step 5: Solve for x
    x = 20,821,383,582.88/201,929.67
  6. Step 6: Final answer
    x = 103,112.06

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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.