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Finding the Fourth Proportional to 108,064.60, 162,105.10 and 29,177.69

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Solution

The fourth proportional to 108,064.60, 162,105.10 and 29,177.69 is: 43,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,064.60 : 162,105.10 = 29,177.69 : x
  2. Step 2: Convert to fraction form
    108,064.60/162,105.10 = 29,177.69/x
  3. Step 3: Cross multiply
    108,064.60x = 162,105.10 × 29,177.69
  4. Step 4: Simplify right side
    108,064.60x = 4,729,851,471.75
  5. Step 5: Solve for x
    x = 4,729,851,471.75/108,064.60
  6. Step 6: Final answer
    x = 43,768.74

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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.