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Finding the Fourth Proportional to 234,759.73, 323,968.45 and 132,783

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Solution

The fourth proportional to 234,759.73, 323,968.45 and 132,783 is: 183,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,759.73 : 323,968.45 = 132,783 : x
  2. Step 2: Convert to fraction form
    234,759.73/323,968.45 = 132,783/x
  3. Step 3: Cross multiply
    234,759.73x = 323,968.45 × 132,783
  4. Step 4: Simplify right side
    234,759.73x = 43,017,502,696.35
  5. Step 5: Solve for x
    x = 43,017,502,696.35/234,759.73
  6. Step 6: Final answer
    x = 183,240.55

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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.