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Finding the Fourth Proportional to 234,610.30, 351,936.16 and 66,132.04

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Solution

The fourth proportional to 234,610.30, 351,936.16 and 66,132.04 is: 99,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,610.30 : 351,936.16 = 66,132.04 : x
  2. Step 2: Convert to fraction form
    234,610.30/351,936.16 = 66,132.04/x
  3. Step 3: Cross multiply
    234,610.30x = 351,936.16 × 66,132.04
  4. Step 4: Simplify right side
    234,610.30x = 23,274,256,210.57
  5. Step 5: Solve for x
    x = 23,274,256,210.57/234,610.30
  6. Step 6: Final answer
    x = 99,203.90

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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.