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Finding the Fourth Proportional to 254,568.97, 351,305.41 and 139,855.04

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Solution

The fourth proportional to 254,568.97, 351,305.41 and 139,855.04 is: 193,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,568.97 : 351,305.41 = 139,855.04 : x
  2. Step 2: Convert to fraction form
    254,568.97/351,305.41 = 139,855.04/x
  3. Step 3: Cross multiply
    254,568.97x = 351,305.41 × 139,855.04
  4. Step 4: Simplify right side
    254,568.97x = 49,131,832,167.77
  5. Step 5: Solve for x
    x = 49,131,832,167.77/254,568.97
  6. Step 6: Final answer
    x = 193,000.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.