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Finding the Fourth Proportional to 216,708.90, 324,625.95 and 150,224.10

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Solution

The fourth proportional to 216,708.90, 324,625.95 and 150,224.10 is: 225,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,708.90 : 324,625.95 = 150,224.10 : x
  2. Step 2: Convert to fraction form
    216,708.90/324,625.95 = 150,224.10/x
  3. Step 3: Cross multiply
    216,708.90x = 324,625.95 × 150,224.10
  4. Step 4: Simplify right side
    216,708.90x = 48,766,641,175.40
  5. Step 5: Solve for x
    x = 48,766,641,175.40/216,708.90
  6. Step 6: Final answer
    x = 225,032.94

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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.