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Finding the Fourth Proportional to 93,640.88, 140,461.32 and 27,976.88

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Solution

The fourth proportional to 93,640.88, 140,461.32 and 27,976.88 is: 41,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,640.88 : 140,461.32 = 27,976.88 : x
  2. Step 2: Convert to fraction form
    93,640.88/140,461.32 = 27,976.88/x
  3. Step 3: Cross multiply
    93,640.88x = 140,461.32 × 27,976.88
  4. Step 4: Simplify right side
    93,640.88x = 3,929,669,494.28
  5. Step 5: Solve for x
    x = 3,929,669,494.28/93,640.88
  6. Step 6: Final answer
    x = 41,965.32

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Similar ratio
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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.