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Finding the Fourth Proportional to 201,882.70, 302,824.05 and 192,697.30

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Solution

The fourth proportional to 201,882.70, 302,824.05 and 192,697.30 is: 289,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,882.70 : 302,824.05 = 192,697.30 : x
  2. Step 2: Convert to fraction form
    201,882.70/302,824.05 = 192,697.30/x
  3. Step 3: Cross multiply
    201,882.70x = 302,824.05 × 192,697.30
  4. Step 4: Simplify right side
    201,882.70x = 58,353,376,810.07
  5. Step 5: Solve for x
    x = 58,353,376,810.07/201,882.70
  6. Step 6: Final answer
    x = 289,045.95

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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.