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Finding the Fourth Proportional to 119,894.85, 165,460.39 and 68,924.07

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Solution

The fourth proportional to 119,894.85, 165,460.39 and 68,924.07 is: 95,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894.85 : 165,460.39 = 68,924.07 : x
  2. Step 2: Convert to fraction form
    119,894.85/165,460.39 = 68,924.07/x
  3. Step 3: Cross multiply
    119,894.85x = 165,460.39 × 68,924.07
  4. Step 4: Simplify right side
    119,894.85x = 11,404,203,330.28
  5. Step 5: Solve for x
    x = 11,404,203,330.28/119,894.85
  6. Step 6: Final answer
    x = 95,118.38

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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.