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Finding the Fourth Proportional to 108,612.78, 162,879.21 and 37,517.33

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Solution

The fourth proportional to 108,612.78, 162,879.21 and 37,517.33 is: 56,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612.78 : 162,879.21 = 37,517.33 : x
  2. Step 2: Convert to fraction form
    108,612.78/162,879.21 = 37,517.33/x
  3. Step 3: Cross multiply
    108,612.78x = 162,879.21 × 37,517.33
  4. Step 4: Simplify right side
    108,612.78x = 6,110,792,257.31
  5. Step 5: Solve for x
    x = 6,110,792,257.31/108,612.78
  6. Step 6: Final answer
    x = 56,262.18

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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.