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Finding the Fourth Proportional to 122,247.46, 183,398.73 and 43,361.56

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Solution

The fourth proportional to 122,247.46, 183,398.73 and 43,361.56 is: 65,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,247.46 : 183,398.73 = 43,361.56 : x
  2. Step 2: Convert to fraction form
    122,247.46/183,398.73 = 43,361.56/x
  3. Step 3: Cross multiply
    122,247.46x = 183,398.73 × 43,361.56
  4. Step 4: Simplify right side
    122,247.46x = 7,952,455,034.82
  5. Step 5: Solve for x
    x = 7,952,455,034.82/122,247.46
  6. Step 6: Final answer
    x = 65,052.11

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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.