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Finding the Fourth Proportional to 78,793.02, 108,736.02 and 48,592.98

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Solution

The fourth proportional to 78,793.02, 108,736.02 and 48,592.98 is: 67,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.02 : 108,736.02 = 48,592.98 : x
  2. Step 2: Convert to fraction form
    78,793.02/108,736.02 = 48,592.98/x
  3. Step 3: Cross multiply
    78,793.02x = 108,736.02 × 48,592.98
  4. Step 4: Simplify right side
    78,793.02x = 5,283,807,245.14
  5. Step 5: Solve for x
    x = 5,283,807,245.14/78,793.02
  6. Step 6: Final answer
    x = 67,059.33

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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.