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Finding the Fourth Proportional to 108,066.85, 162,108.47 and 29,179.94

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Solution

The fourth proportional to 108,066.85, 162,108.47 and 29,179.94 is: 43,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,066.85 : 162,108.47 = 29,179.94 : x
  2. Step 2: Convert to fraction form
    108,066.85/162,108.47 = 29,179.94/x
  3. Step 3: Cross multiply
    108,066.85x = 162,108.47 × 29,179.94
  4. Step 4: Simplify right side
    108,066.85x = 4,730,314,690.50
  5. Step 5: Solve for x
    x = 4,730,314,690.50/108,066.85
  6. Step 6: Final answer
    x = 43,772.12

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