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Finding the Fourth Proportional to 108,453, 162,679.50 and 41,922.84

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Solution

The fourth proportional to 108,453, 162,679.50 and 41,922.84 is: 62,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,453 : 162,679.50 = 41,922.84 : x
  2. Step 2: Convert to fraction form
    108,453/162,679.50 = 41,922.84/x
  3. Step 3: Cross multiply
    108,453x = 162,679.50 × 41,922.84
  4. Step 4: Simplify right side
    108,453x = 6,819,986,649.78
  5. Step 5: Solve for x
    x = 6,819,986,649.78/108,453
  6. Step 6: Final answer
    x = 62,884.26

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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.