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Finding the Fourth Proportional to 231,074, 346,611 and 83,330

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Solution

The fourth proportional to 231,074, 346,611 and 83,330 is: 124,995

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,074 : 346,611 = 83,330 : x
  2. Step 2: Convert to fraction form
    231,074/346,611 = 83,330/x
  3. Step 3: Cross multiply
    231,074x = 346,611 × 83,330
  4. Step 4: Simplify right side
    231,074x = 28,883,094,630
  5. Step 5: Solve for x
    x = 28,883,094,630/231,074
  6. Step 6: Final answer
    x = 124,995

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.