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Finding the Fourth Proportional to 108,615.76, 162,949.08 and 33,732.08

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Solution

The fourth proportional to 108,615.76, 162,949.08 and 33,732.08 is: 50,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,615.76 : 162,949.08 = 33,732.08 : x
  2. Step 2: Convert to fraction form
    108,615.76/162,949.08 = 33,732.08/x
  3. Step 3: Cross multiply
    108,615.76x = 162,949.08 × 33,732.08
  4. Step 4: Simplify right side
    108,615.76x = 5,496,611,402.49
  5. Step 5: Solve for x
    x = 5,496,611,402.49/108,615.76
  6. Step 6: Final answer
    x = 50,606.02

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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.