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Finding the Fourth Proportional to 250,579.72, 345,850.28 and 148,661.77

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Solution

The fourth proportional to 250,579.72, 345,850.28 and 148,661.77 is: 205,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,579.72 : 345,850.28 = 148,661.77 : x
  2. Step 2: Convert to fraction form
    250,579.72/345,850.28 = 148,661.77/x
  3. Step 3: Cross multiply
    250,579.72x = 345,850.28 × 148,661.77
  4. Step 4: Simplify right side
    250,579.72x = 51,414,714,779.80
  5. Step 5: Solve for x
    x = 51,414,714,779.80/250,579.72
  6. Step 6: Final answer
    x = 205,183.06

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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.