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Finding the Fourth Proportional to 262,736.98, 394,160.82 and 85,230.13

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Solution

The fourth proportional to 262,736.98, 394,160.82 and 85,230.13 is: 127,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,736.98 : 394,160.82 = 85,230.13 : x
  2. Step 2: Convert to fraction form
    262,736.98/394,160.82 = 85,230.13/x
  3. Step 3: Cross multiply
    262,736.98x = 394,160.82 × 85,230.13
  4. Step 4: Simplify right side
    262,736.98x = 33,594,377,929.51
  5. Step 5: Solve for x
    x = 33,594,377,929.51/262,736.98
  6. Step 6: Final answer
    x = 127,863.15

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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.