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Finding the Fourth Proportional to 108,733.50, 150,052.50 and 63,442.62

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Solution

The fourth proportional to 108,733.50, 150,052.50 and 63,442.62 is: 87,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,733.50 : 150,052.50 = 63,442.62 : x
  2. Step 2: Convert to fraction form
    108,733.50/150,052.50 = 63,442.62/x
  3. Step 3: Cross multiply
    108,733.50x = 150,052.50 × 63,442.62
  4. Step 4: Simplify right side
    108,733.50x = 9,519,723,737.55
  5. Step 5: Solve for x
    x = 9,519,723,737.55/108,733.50
  6. Step 6: Final answer
    x = 87,550.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.