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Finding the Fourth Proportional to 234,185.70, 351,169.02 and 84,406.26

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Solution

The fourth proportional to 234,185.70, 351,169.02 and 84,406.26 is: 126,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,185.70 : 351,169.02 = 84,406.26 : x
  2. Step 2: Convert to fraction form
    234,185.70/351,169.02 = 84,406.26/x
  3. Step 3: Cross multiply
    234,185.70x = 351,169.02 × 84,406.26
  4. Step 4: Simplify right side
    234,185.70x = 29,640,863,606.07
  5. Step 5: Solve for x
    x = 29,640,863,606.07/234,185.70
  6. Step 6: Final answer
    x = 126,569.91

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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.