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Finding the Fourth Proportional to 183,149.10, 274,395.60 and 156,905.10

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Solution

The fourth proportional to 183,149.10, 274,395.60 and 156,905.10 is: 235,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,149.10 : 274,395.60 = 156,905.10 : x
  2. Step 2: Convert to fraction form
    183,149.10/274,395.60 = 156,905.10/x
  3. Step 3: Cross multiply
    183,149.10x = 274,395.60 × 156,905.10
  4. Step 4: Simplify right side
    183,149.10x = 43,054,069,057.56
  5. Step 5: Solve for x
    x = 43,054,069,057.56/183,149.10
  6. Step 6: Final answer
    x = 235,076.61

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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.