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Finding the Fourth Proportional to 201,376.93, 302,000.83 and 66,410.70

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Solution

The fourth proportional to 201,376.93, 302,000.83 and 66,410.70 is: 99,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,376.93 : 302,000.83 = 66,410.70 : x
  2. Step 2: Convert to fraction form
    201,376.93/302,000.83 = 66,410.70/x
  3. Step 3: Cross multiply
    201,376.93x = 302,000.83 × 66,410.70
  4. Step 4: Simplify right side
    201,376.93x = 20,056,086,520.88
  5. Step 5: Solve for x
    x = 20,056,086,520.88/201,376.93
  6. Step 6: Final answer
    x = 99,594.76

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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.