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Finding the Fourth Proportional to 201,634.70, 302,452.05 and 61,375.10

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Solution

The fourth proportional to 201,634.70, 302,452.05 and 61,375.10 is: 92,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,634.70 : 302,452.05 = 61,375.10 : x
  2. Step 2: Convert to fraction form
    201,634.70/302,452.05 = 61,375.10/x
  3. Step 3: Cross multiply
    201,634.70x = 302,452.05 × 61,375.10
  4. Step 4: Simplify right side
    201,634.70x = 18,563,024,813.96
  5. Step 5: Solve for x
    x = 18,563,024,813.96/201,634.70
  6. Step 6: Final answer
    x = 92,062.65

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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.