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Finding the Fourth Proportional to 108,868.35, 163,302.54 and 33,994.91

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Solution

The fourth proportional to 108,868.35, 163,302.54 and 33,994.91 is: 50,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868.35 : 163,302.54 = 33,994.91 : x
  2. Step 2: Convert to fraction form
    108,868.35/163,302.54 = 33,994.91/x
  3. Step 3: Cross multiply
    108,868.35x = 163,302.54 × 33,994.91
  4. Step 4: Simplify right side
    108,868.35x = 5,551,454,333.56
  5. Step 5: Solve for x
    x = 5,551,454,333.56/108,868.35
  6. Step 6: Final answer
    x = 50,992.36

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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.