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Finding the Fourth Proportional to 108,551.68, 162,837.84 and 33,672.64

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Solution

The fourth proportional to 108,551.68, 162,837.84 and 33,672.64 is: 50,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,551.68 : 162,837.84 = 33,672.64 : x
  2. Step 2: Convert to fraction form
    108,551.68/162,837.84 = 33,672.64/x
  3. Step 3: Cross multiply
    108,551.68x = 162,837.84 × 33,672.64
  4. Step 4: Simplify right side
    108,551.68x = 5,483,179,964.70
  5. Step 5: Solve for x
    x = 5,483,179,964.70/108,551.68
  6. Step 6: Final answer
    x = 50,512.16

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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.