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Finding the Fourth Proportional to 122,093.34, 168,484.87 and 67,643.27

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Solution

The fourth proportional to 122,093.34, 168,484.87 and 67,643.27 is: 93,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,093.34 : 168,484.87 = 67,643.27 : x
  2. Step 2: Convert to fraction form
    122,093.34/168,484.87 = 67,643.27/x
  3. Step 3: Cross multiply
    122,093.34x = 168,484.87 × 67,643.27
  4. Step 4: Simplify right side
    122,093.34x = 11,396,867,552.32
  5. Step 5: Solve for x
    x = 11,396,867,552.32/122,093.34
  6. Step 6: Final answer
    x = 93,345.53

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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.