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Finding the Fourth Proportional to 78,271.50, 108,014.67 and 44,738.22

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Solution

The fourth proportional to 78,271.50, 108,014.67 and 44,738.22 is: 61,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,271.50 : 108,014.67 = 44,738.22 : x
  2. Step 2: Convert to fraction form
    78,271.50/108,014.67 = 44,738.22/x
  3. Step 3: Cross multiply
    78,271.50x = 108,014.67 × 44,738.22
  4. Step 4: Simplify right side
    78,271.50x = 4,832,384,069.69
  5. Step 5: Solve for x
    x = 4,832,384,069.69/78,271.50
  6. Step 6: Final answer
    x = 61,738.74

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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.