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Finding the Fourth Proportional to 254,389.16, 351,039.48 and 141,203

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Solution

The fourth proportional to 254,389.16, 351,039.48 and 141,203 is: 194,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,389.16 : 351,039.48 = 141,203 : x
  2. Step 2: Convert to fraction form
    254,389.16/351,039.48 = 141,203/x
  3. Step 3: Cross multiply
    254,389.16x = 351,039.48 × 141,203
  4. Step 4: Simplify right side
    254,389.16x = 49,567,827,694.44
  5. Step 5: Solve for x
    x = 49,567,827,694.44/254,389.16
  6. Step 6: Final answer
    x = 194,850.39

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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.