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Finding the Fourth Proportional to 201,700.95, 302,551.43 and 192,843.60

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Solution

The fourth proportional to 201,700.95, 302,551.43 and 192,843.60 is: 289,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,700.95 : 302,551.43 = 192,843.60 : x
  2. Step 2: Convert to fraction form
    201,700.95/302,551.43 = 192,843.60/x
  3. Step 3: Cross multiply
    201,700.95x = 302,551.43 × 192,843.60
  4. Step 4: Simplify right side
    201,700.95x = 58,345,105,982.13
  5. Step 5: Solve for x
    x = 58,345,105,982.13/201,700.95
  6. Step 6: Final answer
    x = 289,265.40

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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.