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Finding the Fourth Proportional to 108,523.68, 162,795.60 and 33,644.40

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Solution

The fourth proportional to 108,523.68, 162,795.60 and 33,644.40 is: 50,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,523.68 : 162,795.60 = 33,644.40 : x
  2. Step 2: Convert to fraction form
    108,523.68/162,795.60 = 33,644.40/x
  3. Step 3: Cross multiply
    108,523.68x = 162,795.60 × 33,644.40
  4. Step 4: Simplify right side
    108,523.68x = 5,477,160,284.64
  5. Step 5: Solve for x
    x = 5,477,160,284.64/108,523.68
  6. Step 6: Final answer
    x = 50,469.72

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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.