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Finding the Fourth Proportional to 154,907.78, 232,361.64 and 44,099.78

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Solution

The fourth proportional to 154,907.78, 232,361.64 and 44,099.78 is: 66,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,907.78 : 232,361.64 = 44,099.78 : x
  2. Step 2: Convert to fraction form
    154,907.78/232,361.64 = 44,099.78/x
  3. Step 3: Cross multiply
    154,907.78x = 232,361.64 × 44,099.78
  4. Step 4: Simplify right side
    154,907.78x = 10,247,097,204.44
  5. Step 5: Solve for x
    x = 10,247,097,204.44/154,907.78
  6. Step 6: Final answer
    x = 66,149.66

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1.5x scale

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.