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Finding the Fourth Proportional to 125,791.75, 173,604.89 and 93,905.29

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Solution

The fourth proportional to 125,791.75, 173,604.89 and 93,905.29 is: 129,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,791.75 : 173,604.89 = 93,905.29 : x
  2. Step 2: Convert to fraction form
    125,791.75/173,604.89 = 93,905.29/x
  3. Step 3: Cross multiply
    125,791.75x = 173,604.89 × 93,905.29
  4. Step 4: Simplify right side
    125,791.75x = 16,302,417,540.87
  5. Step 5: Solve for x
    x = 16,302,417,540.87/125,791.75
  6. Step 6: Final answer
    x = 129,598.46

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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.