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Finding the Fourth Proportional to 247,203, 370,584.56 and 89,396.38

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Solution

The fourth proportional to 247,203, 370,584.56 and 89,396.38 is: 134,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,203 : 370,584.56 = 89,396.38 : x
  2. Step 2: Convert to fraction form
    247,203/370,584.56 = 89,396.38/x
  3. Step 3: Cross multiply
    247,203x = 370,584.56 × 89,396.38
  4. Step 4: Simplify right side
    247,203x = 33,128,918,147.89
  5. Step 5: Solve for x
    x = 33,128,918,147.89/247,203
  6. Step 6: Final answer
    x = 134,015.03

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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.