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Finding the Fourth Proportional to 108,871.92, 163,307.82 and 33,998.48

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Solution

The fourth proportional to 108,871.92, 163,307.82 and 33,998.48 is: 50,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.92 : 163,307.82 = 33,998.48 : x
  2. Step 2: Convert to fraction form
    108,871.92/163,307.82 = 33,998.48/x
  3. Step 3: Cross multiply
    108,871.92x = 163,307.82 × 33,998.48
  4. Step 4: Simplify right side
    108,871.92x = 5,552,217,827.96
  5. Step 5: Solve for x
    x = 5,552,217,827.96/108,871.92
  6. Step 6: Final answer
    x = 50,997.70

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Double scale
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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.