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Finding the Fourth Proportional to 173,269.97, 239,087.11 and 96,779.64

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Solution

The fourth proportional to 173,269.97, 239,087.11 and 96,779.64 is: 133,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,269.97 : 239,087.11 = 96,779.64 : x
  2. Step 2: Convert to fraction form
    173,269.97/239,087.11 = 96,779.64/x
  3. Step 3: Cross multiply
    173,269.97x = 239,087.11 × 96,779.64
  4. Step 4: Simplify right side
    173,269.97x = 23,138,764,434.44
  5. Step 5: Solve for x
    x = 23,138,764,434.44/173,269.97
  6. Step 6: Final answer
    x = 133,541.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.