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Finding the Fourth Proportional to 201,924.20, 302,900.70 and 61,682.60

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Solution

The fourth proportional to 201,924.20, 302,900.70 and 61,682.60 is: 92,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,924.20 : 302,900.70 = 61,682.60 : x
  2. Step 2: Convert to fraction form
    201,924.20/302,900.70 = 61,682.60/x
  3. Step 3: Cross multiply
    201,924.20x = 302,900.70 × 61,682.60
  4. Step 4: Simplify right side
    201,924.20x = 18,683,702,717.82
  5. Step 5: Solve for x
    x = 18,683,702,717.82/201,924.20
  6. Step 6: Final answer
    x = 92,528.30

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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.