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Finding the Fourth Proportional to 78,796.50, 108,734.74 and 44,800.19

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Solution

The fourth proportional to 78,796.50, 108,734.74 and 44,800.19 is: 61,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,796.50 : 108,734.74 = 44,800.19 : x
  2. Step 2: Convert to fraction form
    78,796.50/108,734.74 = 44,800.19/x
  3. Step 3: Cross multiply
    78,796.50x = 108,734.74 × 44,800.19
  4. Step 4: Simplify right side
    78,796.50x = 4,871,336,763.68
  5. Step 5: Solve for x
    x = 4,871,336,763.68/78,796.50
  6. Step 6: Final answer
    x = 61,821.74

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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.