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Finding the Fourth Proportional to 108,333.78, 162,504.05 and 29,449.68

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Solution

The fourth proportional to 108,333.78, 162,504.05 and 29,449.68 is: 44,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,333.78 : 162,504.05 = 29,449.68 : x
  2. Step 2: Convert to fraction form
    108,333.78/162,504.05 = 29,449.68/x
  3. Step 3: Cross multiply
    108,333.78x = 162,504.05 × 29,449.68
  4. Step 4: Simplify right side
    108,333.78x = 4,785,692,123.96
  5. Step 5: Solve for x
    x = 4,785,692,123.96/108,333.78
  6. Step 6: Final answer
    x = 44,175.44

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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.