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Finding the Fourth Proportional to 201,874.64, 302,858.82 and 68,756.04

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Solution

The fourth proportional to 201,874.64, 302,858.82 and 68,756.04 is: 103,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,874.64 : 302,858.82 = 68,756.04 : x
  2. Step 2: Convert to fraction form
    201,874.64/302,858.82 = 68,756.04/x
  3. Step 3: Cross multiply
    201,874.64x = 302,858.82 × 68,756.04
  4. Step 4: Simplify right side
    201,874.64x = 20,823,373,142.27
  5. Step 5: Solve for x
    x = 20,823,373,142.27/201,874.64
  6. Step 6: Final answer
    x = 103,150.02

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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.