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Finding the Fourth Proportional to 201,883.10, 302,496.60 and 190,073.30

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Solution

The fourth proportional to 201,883.10, 302,496.60 and 190,073.30 is: 284,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,883.10 : 302,496.60 = 190,073.30 : x
  2. Step 2: Convert to fraction form
    201,883.10/302,496.60 = 190,073.30/x
  3. Step 3: Cross multiply
    201,883.10x = 302,496.60 × 190,073.30
  4. Step 4: Simplify right side
    201,883.10x = 57,496,527,000.78
  5. Step 5: Solve for x
    x = 57,496,527,000.78/201,883.10
  6. Step 6: Final answer
    x = 284,801.09

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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.