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Finding the Fourth Proportional to 193,871.26, 290,806.94 and 60,751.50

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Solution

The fourth proportional to 193,871.26, 290,806.94 and 60,751.50 is: 91,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,871.26 : 290,806.94 = 60,751.50 : x
  2. Step 2: Convert to fraction form
    193,871.26/290,806.94 = 60,751.50/x
  3. Step 3: Cross multiply
    193,871.26x = 290,806.94 × 60,751.50
  4. Step 4: Simplify right side
    193,871.26x = 17,666,957,815.41
  5. Step 5: Solve for x
    x = 17,666,957,815.41/193,871.26
  6. Step 6: Final answer
    x = 91,127.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.