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Finding the Fourth Proportional to 79,493.15, 109,706.67 and 45,512.34

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Solution

The fourth proportional to 79,493.15, 109,706.67 and 45,512.34 is: 62,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,493.15 : 109,706.67 = 45,512.34 : x
  2. Step 2: Convert to fraction form
    79,493.15/109,706.67 = 45,512.34/x
  3. Step 3: Cross multiply
    79,493.15x = 109,706.67 × 45,512.34
  4. Step 4: Simplify right side
    79,493.15x = 4,993,007,265.31
  5. Step 5: Solve for x
    x = 4,993,007,265.31/79,493.15
  6. Step 6: Final answer
    x = 62,810.53

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