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Finding the Fourth Proportional to 201,883.29, 302,872.03 and 66,937.49

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Solution

The fourth proportional to 201,883.29, 302,872.03 and 66,937.49 is: 100,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,883.29 : 302,872.03 = 66,937.49 : x
  2. Step 2: Convert to fraction form
    201,883.29/302,872.03 = 66,937.49/x
  3. Step 3: Cross multiply
    201,883.29x = 302,872.03 × 66,937.49
  4. Step 4: Simplify right side
    201,883.29x = 20,273,492,933.47
  5. Step 5: Solve for x
    x = 20,273,492,933.47/201,883.29
  6. Step 6: Final answer
    x = 100,421.85

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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.