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Finding the Fourth Proportional to 108,476.40, 162,738.90 and 41,910.60

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Solution

The fourth proportional to 108,476.40, 162,738.90 and 41,910.60 is: 62,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.40 : 162,738.90 = 41,910.60 : x
  2. Step 2: Convert to fraction form
    108,476.40/162,738.90 = 41,910.60/x
  3. Step 3: Cross multiply
    108,476.40x = 162,738.90 × 41,910.60
  4. Step 4: Simplify right side
    108,476.40x = 6,820,484,942.34
  5. Step 5: Solve for x
    x = 6,820,484,942.34/108,476.40
  6. Step 6: Final answer
    x = 62,875.29

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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.