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Finding the Fourth Proportional to 353,650.72, 530,614.32 and 132,052

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Solution

The fourth proportional to 353,650.72, 530,614.32 and 132,052 is: 198,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,650.72 : 530,614.32 = 132,052 : x
  2. Step 2: Convert to fraction form
    353,650.72/530,614.32 = 132,052/x
  3. Step 3: Cross multiply
    353,650.72x = 530,614.32 × 132,052
  4. Step 4: Simplify right side
    353,650.72x = 70,068,682,184.64
  5. Step 5: Solve for x
    x = 70,068,682,184.64/353,650.72
  6. Step 6: Final answer
    x = 198,129.62

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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.