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Finding the Fourth Proportional to 216,252.97, 324,448.87 and 103,941.33

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Solution

The fourth proportional to 216,252.97, 324,448.87 and 103,941.33 is: 155,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,252.97 : 324,448.87 = 103,941.33 : x
  2. Step 2: Convert to fraction form
    216,252.97/324,448.87 = 103,941.33/x
  3. Step 3: Cross multiply
    216,252.97x = 324,448.87 × 103,941.33
  4. Step 4: Simplify right side
    216,252.97x = 33,723,648,228.35
  5. Step 5: Solve for x
    x = 33,723,648,228.35/216,252.97
  6. Step 6: Final answer
    x = 155,945.36

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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.