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Finding the Fourth Proportional to 249,958.69, 374,936.23 and 100,196.80

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Solution

The fourth proportional to 249,958.69, 374,936.23 and 100,196.80 is: 150,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,958.69 : 374,936.23 = 100,196.80 : x
  2. Step 2: Convert to fraction form
    249,958.69/374,936.23 = 100,196.80/x
  3. Step 3: Cross multiply
    249,958.69x = 374,936.23 × 100,196.80
  4. Step 4: Simplify right side
    249,958.69x = 37,567,410,450.06
  5. Step 5: Solve for x
    x = 37,567,410,450.06/249,958.69
  6. Step 6: Final answer
    x = 150,294.48

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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.