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Finding the Fourth Proportional to 250,522.66, 375,779.67 and 84,310.66

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Solution

The fourth proportional to 250,522.66, 375,779.67 and 84,310.66 is: 126,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,522.66 : 375,779.67 = 84,310.66 : x
  2. Step 2: Convert to fraction form
    250,522.66/375,779.67 = 84,310.66/x
  3. Step 3: Cross multiply
    250,522.66x = 375,779.67 × 84,310.66
  4. Step 4: Simplify right side
    250,522.66x = 31,682,231,992.28
  5. Step 5: Solve for x
    x = 31,682,231,992.28/250,522.66
  6. Step 6: Final answer
    x = 126,464.54

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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.