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Finding the Fourth Proportional to 122,223.65, 168,668.06 and 68,508.65

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Solution

The fourth proportional to 122,223.65, 168,668.06 and 68,508.65 is: 94,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223.65 : 168,668.06 = 68,508.65 : x
  2. Step 2: Convert to fraction form
    122,223.65/168,668.06 = 68,508.65/x
  3. Step 3: Cross multiply
    122,223.65x = 168,668.06 × 68,508.65
  4. Step 4: Simplify right side
    122,223.65x = 11,555,219,902.84
  5. Step 5: Solve for x
    x = 11,555,219,902.84/122,223.65
  6. Step 6: Final answer
    x = 94,541.61

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