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Finding the Fourth Proportional to 108,411.86, 149,613 and 67,027.88

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Solution

The fourth proportional to 108,411.86, 149,613 and 67,027.88 is: 92,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,411.86 : 149,613 = 67,027.88 : x
  2. Step 2: Convert to fraction form
    108,411.86/149,613 = 67,027.88/x
  3. Step 3: Cross multiply
    108,411.86x = 149,613 × 67,027.88
  4. Step 4: Simplify right side
    108,411.86x = 10,028,242,210.44
  5. Step 5: Solve for x
    x = 10,028,242,210.44/108,411.86
  6. Step 6: Final answer
    x = 92,501.34

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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.