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Finding the Fourth Proportional to 234,299.55, 351,376.56 and 84,520.35

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Solution

The fourth proportional to 234,299.55, 351,376.56 and 84,520.35 is: 126,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,299.55 : 351,376.56 = 84,520.35 : x
  2. Step 2: Convert to fraction form
    234,299.55/351,376.56 = 84,520.35/x
  3. Step 3: Cross multiply
    234,299.55x = 351,376.56 × 84,520.35
  4. Step 4: Simplify right side
    234,299.55x = 29,698,469,833.00
  5. Step 5: Solve for x
    x = 29,698,469,833.00/234,299.55
  6. Step 6: Final answer
    x = 126,754.28

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1.5x scale

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.