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Finding the Fourth Proportional to 130,452.96, 180,027.24 and 73,091.64

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Solution

The fourth proportional to 130,452.96, 180,027.24 and 73,091.64 is: 100,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,452.96 : 180,027.24 = 73,091.64 : x
  2. Step 2: Convert to fraction form
    130,452.96/180,027.24 = 73,091.64/x
  3. Step 3: Cross multiply
    130,452.96x = 180,027.24 × 73,091.64
  4. Step 4: Simplify right side
    130,452.96x = 13,158,486,216.27
  5. Step 5: Solve for x
    x = 13,158,486,216.27/130,452.96
  6. Step 6: Final answer
    x = 100,867.67

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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.