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Finding the Fourth Proportional to 108,511.68, 161,702.52 and 104,944.44

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Solution

The fourth proportional to 108,511.68, 161,702.52 and 104,944.44 is: 156,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.68 : 161,702.52 = 104,944.44 : x
  2. Step 2: Convert to fraction form
    108,511.68/161,702.52 = 104,944.44/x
  3. Step 3: Cross multiply
    108,511.68x = 161,702.52 × 104,944.44
  4. Step 4: Simplify right side
    108,511.68x = 16,969,780,407.99
  5. Step 5: Solve for x
    x = 16,969,780,407.99/108,511.68
  6. Step 6: Final answer
    x = 156,386.67

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.