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Finding the Fourth Proportional to 150,993.02, 226,664.49 and 81,009.02

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Solution

The fourth proportional to 150,993.02, 226,664.49 and 81,009.02 is: 121,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,993.02 : 226,664.49 = 81,009.02 : x
  2. Step 2: Convert to fraction form
    150,993.02/226,664.49 = 81,009.02/x
  3. Step 3: Cross multiply
    150,993.02x = 226,664.49 × 81,009.02
  4. Step 4: Simplify right side
    150,993.02x = 18,361,868,203.70
  5. Step 5: Solve for x
    x = 18,361,868,203.70/150,993.02
  6. Step 6: Final answer
    x = 121,607.40

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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.