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Finding the Fourth Proportional to 355,735.55, 533,474.78 and 119,022.86

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Solution

The fourth proportional to 355,735.55, 533,474.78 and 119,022.86 is: 178,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,735.55 : 533,474.78 = 119,022.86 : x
  2. Step 2: Convert to fraction form
    355,735.55/533,474.78 = 119,022.86/x
  3. Step 3: Cross multiply
    355,735.55x = 533,474.78 × 119,022.86
  4. Step 4: Simplify right side
    355,735.55x = 63,495,690,790.98
  5. Step 5: Solve for x
    x = 63,495,690,790.98/355,735.55
  6. Step 6: Final answer
    x = 178,491.27

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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.