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Finding the Fourth Proportional to 108,542.60, 162,813.90 and 95,420.60

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Solution

The fourth proportional to 108,542.60, 162,813.90 and 95,420.60 is: 143,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,542.60 : 162,813.90 = 95,420.60 : x
  2. Step 2: Convert to fraction form
    108,542.60/162,813.90 = 95,420.60/x
  3. Step 3: Cross multiply
    108,542.60x = 162,813.90 × 95,420.60
  4. Step 4: Simplify right side
    108,542.60x = 15,535,800,026.34
  5. Step 5: Solve for x
    x = 15,535,800,026.34/108,542.60
  6. Step 6: Final answer
    x = 143,130.90

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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.