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Finding the Fourth Proportional to 108,896.58, 163,352.07 and 28,933.38

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Solution

The fourth proportional to 108,896.58, 163,352.07 and 28,933.38 is: 43,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,896.58 : 163,352.07 = 28,933.38 : x
  2. Step 2: Convert to fraction form
    108,896.58/163,352.07 = 28,933.38/x
  3. Step 3: Cross multiply
    108,896.58x = 163,352.07 × 28,933.38
  4. Step 4: Simplify right side
    108,896.58x = 4,726,327,515.10
  5. Step 5: Solve for x
    x = 4,726,327,515.10/108,896.58
  6. Step 6: Final answer
    x = 43,401.98

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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.