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Finding the Fourth Proportional to 201,666.45, 302,499.68 and 192,809.10

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Solution

The fourth proportional to 201,666.45, 302,499.68 and 192,809.10 is: 289,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,666.45 : 302,499.68 = 192,809.10 : x
  2. Step 2: Convert to fraction form
    201,666.45/302,499.68 = 192,809.10/x
  3. Step 3: Cross multiply
    201,666.45x = 302,499.68 × 192,809.10
  4. Step 4: Simplify right side
    201,666.45x = 58,324,690,087.04
  5. Step 5: Solve for x
    x = 58,324,690,087.04/201,666.45
  6. Step 6: Final answer
    x = 289,213.65

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1.5x scale

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.