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Finding the Fourth Proportional to 108,872, 163,308 and 35,000

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Solution

The fourth proportional to 108,872, 163,308 and 35,000 is: 52,500

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872 : 163,308 = 35,000 : x
  2. Step 2: Convert to fraction form
    108,872/163,308 = 35,000/x
  3. Step 3: Cross multiply
    108,872x = 163,308 × 35,000
  4. Step 4: Simplify right side
    108,872x = 5,715,780,000
  5. Step 5: Solve for x
    x = 5,715,780,000/108,872
  6. Step 6: Final answer
    x = 52,500

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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.