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Finding the Fourth Proportional to 125,696.33, 173,464.36 and 68,339.51

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Solution

The fourth proportional to 125,696.33, 173,464.36 and 68,339.51 is: 94,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,696.33 : 173,464.36 = 68,339.51 : x
  2. Step 2: Convert to fraction form
    125,696.33/173,464.36 = 68,339.51/x
  3. Step 3: Cross multiply
    125,696.33x = 173,464.36 × 68,339.51
  4. Step 4: Simplify right side
    125,696.33x = 11,854,470,337.33
  5. Step 5: Solve for x
    x = 11,854,470,337.33/125,696.33
  6. Step 6: Final answer
    x = 94,310.39

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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.