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Finding the Fourth Proportional to 258,627.78, 356,852.84 and 151,177.03

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Solution

The fourth proportional to 258,627.78, 356,852.84 and 151,177.03 is: 208,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,627.78 : 356,852.84 = 151,177.03 : x
  2. Step 2: Convert to fraction form
    258,627.78/356,852.84 = 151,177.03/x
  3. Step 3: Cross multiply
    258,627.78x = 356,852.84 × 151,177.03
  4. Step 4: Simplify right side
    258,627.78x = 53,947,949,958.12
  5. Step 5: Solve for x
    x = 53,947,949,958.12/258,627.78
  6. Step 6: Final answer
    x = 208,593.02

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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.