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Finding the Fourth Proportional to 252,779.44, 379,143.96 and 65,790.96

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Solution

The fourth proportional to 252,779.44, 379,143.96 and 65,790.96 is: 98,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,779.44 : 379,143.96 = 65,790.96 : x
  2. Step 2: Convert to fraction form
    252,779.44/379,143.96 = 65,790.96/x
  3. Step 3: Cross multiply
    252,779.44x = 379,143.96 × 65,790.96
  4. Step 4: Simplify right side
    252,779.44x = 24,944,245,106.60
  5. Step 5: Solve for x
    x = 24,944,245,106.60/252,779.44
  6. Step 6: Final answer
    x = 98,679.88

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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.