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Finding the Fourth Proportional to 108,035.64, 162,053.46 and 29,149.87

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Solution

The fourth proportional to 108,035.64, 162,053.46 and 29,149.87 is: 43,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,035.64 : 162,053.46 = 29,149.87 : x
  2. Step 2: Convert to fraction form
    108,035.64/162,053.46 = 29,149.87/x
  3. Step 3: Cross multiply
    108,035.64x = 162,053.46 × 29,149.87
  4. Step 4: Simplify right side
    108,035.64x = 4,723,836,528.41
  5. Step 5: Solve for x
    x = 4,723,836,528.41/108,035.64
  6. Step 6: Final answer
    x = 43,724.80

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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.