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Finding the Fourth Proportional to 100,324.54, 138,461.96 and 62,096.34

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Solution

The fourth proportional to 100,324.54, 138,461.96 and 62,096.34 is: 85,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,324.54 : 138,461.96 = 62,096.34 : x
  2. Step 2: Convert to fraction form
    100,324.54/138,461.96 = 62,096.34/x
  3. Step 3: Cross multiply
    100,324.54x = 138,461.96 × 62,096.34
  4. Step 4: Simplify right side
    100,324.54x = 8,597,980,945.23
  5. Step 5: Solve for x
    x = 8,597,980,945.23/100,324.54
  6. Step 6: Final answer
    x = 85,701.67

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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.