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Finding the Fourth Proportional to 234,449.65, 323,522.62 and 142,556.17

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Solution

The fourth proportional to 234,449.65, 323,522.62 and 142,556.17 is: 196,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,449.65 : 323,522.62 = 142,556.17 : x
  2. Step 2: Convert to fraction form
    234,449.65/323,522.62 = 142,556.17/x
  3. Step 3: Cross multiply
    234,449.65x = 323,522.62 × 142,556.17
  4. Step 4: Simplify right side
    234,449.65x = 46,120,145,615.57
  5. Step 5: Solve for x
    x = 46,120,145,615.57/234,449.65
  6. Step 6: Final answer
    x = 196,716.63

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1.5x scale

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.