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Finding the Fourth Proportional to 234,405.89, 323,481.69 and 126,975.93

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Solution

The fourth proportional to 234,405.89, 323,481.69 and 126,975.93 is: 175,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,405.89 : 323,481.69 = 126,975.93 : x
  2. Step 2: Convert to fraction form
    234,405.89/323,481.69 = 126,975.93/x
  3. Step 3: Cross multiply
    234,405.89x = 323,481.69 × 126,975.93
  4. Step 4: Simplify right side
    234,405.89x = 41,074,387,212.67
  5. Step 5: Solve for x
    x = 41,074,387,212.67/234,405.89
  6. Step 6: Final answer
    x = 175,227.63

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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.