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Finding the Fourth Proportional to 252,576.22, 348,555.92 and 137,855.92

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Solution

The fourth proportional to 252,576.22, 348,555.92 and 137,855.92 is: 190,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,576.22 : 348,555.92 = 137,855.92 : x
  2. Step 2: Convert to fraction form
    252,576.22/348,555.92 = 137,855.92/x
  3. Step 3: Cross multiply
    252,576.22x = 348,555.92 × 137,855.92
  4. Step 4: Simplify right side
    252,576.22x = 48,050,497,023.05
  5. Step 5: Solve for x
    x = 48,050,497,023.05/252,576.22
  6. Step 6: Final answer
    x = 190,241.57

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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.