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Finding the Fourth Proportional to 375,081.46, 562,640.32 and 122,361.46

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Solution

The fourth proportional to 375,081.46, 562,640.32 and 122,361.46 is: 183,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,081.46 : 562,640.32 = 122,361.46 : x
  2. Step 2: Convert to fraction form
    375,081.46/562,640.32 = 122,361.46/x
  3. Step 3: Cross multiply
    375,081.46x = 562,640.32 × 122,361.46
  4. Step 4: Simplify right side
    375,081.46x = 68,845,491,010.07
  5. Step 5: Solve for x
    x = 68,845,491,010.07/375,081.46
  6. Step 6: Final answer
    x = 183,548.10

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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.