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Finding the Fourth Proportional to 108,783.98, 163,175.96 and 33,910.16

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Solution

The fourth proportional to 108,783.98, 163,175.96 and 33,910.16 is: 50,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,783.98 : 163,175.96 = 33,910.16 : x
  2. Step 2: Convert to fraction form
    108,783.98/163,175.96 = 33,910.16/x
  3. Step 3: Cross multiply
    108,783.98x = 163,175.96 × 33,910.16
  4. Step 4: Simplify right side
    108,783.98x = 5,533,322,911.75
  5. Step 5: Solve for x
    x = 5,533,322,911.75/108,783.98
  6. Step 6: Final answer
    x = 50,865.24

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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.