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Finding the Fourth Proportional to 79,555.37, 109,789.22 and 43,748.10

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Solution

The fourth proportional to 79,555.37, 109,789.22 and 43,748.10 is: 60,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,555.37 : 109,789.22 = 43,748.10 : x
  2. Step 2: Convert to fraction form
    79,555.37/109,789.22 = 43,748.10/x
  3. Step 3: Cross multiply
    79,555.37x = 109,789.22 × 43,748.10
  4. Step 4: Simplify right side
    79,555.37x = 4,803,069,884.85
  5. Step 5: Solve for x
    x = 4,803,069,884.85/79,555.37
  6. Step 6: Final answer
    x = 60,373.93

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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.