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Finding the Fourth Proportional to 108,650.40, 162,975.60 and 95,517.60

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Solution

The fourth proportional to 108,650.40, 162,975.60 and 95,517.60 is: 143,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,650.40 : 162,975.60 = 95,517.60 : x
  2. Step 2: Convert to fraction form
    108,650.40/162,975.60 = 95,517.60/x
  3. Step 3: Cross multiply
    108,650.40x = 162,975.60 × 95,517.60
  4. Step 4: Simplify right side
    108,650.40x = 15,567,038,170.56
  5. Step 5: Solve for x
    x = 15,567,038,170.56/108,650.40
  6. Step 6: Final answer
    x = 143,276.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.