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Finding the Fourth Proportional to 234,566.92, 323,694.36 and 139,016.86

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Solution

The fourth proportional to 234,566.92, 323,694.36 and 139,016.86 is: 191,838.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,566.92 : 323,694.36 = 139,016.86 : x
  2. Step 2: Convert to fraction form
    234,566.92/323,694.36 = 139,016.86/x
  3. Step 3: Cross multiply
    234,566.92x = 323,694.36 × 139,016.86
  4. Step 4: Simplify right side
    234,566.92x = 44,998,973,526.91
  5. Step 5: Solve for x
    x = 44,998,973,526.91/234,566.92
  6. Step 6: Final answer
    x = 191,838.53

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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.