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Finding the Fourth Proportional to 363,002.72, 544,530 and 96,761.84

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Solution

The fourth proportional to 363,002.72, 544,530 and 96,761.84 is: 145,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,002.72 : 544,530 = 96,761.84 : x
  2. Step 2: Convert to fraction form
    363,002.72/544,530 = 96,761.84/x
  3. Step 3: Cross multiply
    363,002.72x = 544,530 × 96,761.84
  4. Step 4: Simplify right side
    363,002.72x = 52,689,724,735.20
  5. Step 5: Solve for x
    x = 52,689,724,735.20/363,002.72
  6. Step 6: Final answer
    x = 145,149.67

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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.