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Finding the Fourth Proportional to 176,676.90, 264,626.55 and 156,977.70

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Solution

The fourth proportional to 176,676.90, 264,626.55 and 156,977.70 is: 235,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,676.90 : 264,626.55 = 156,977.70 : x
  2. Step 2: Convert to fraction form
    176,676.90/264,626.55 = 156,977.70/x
  3. Step 3: Cross multiply
    176,676.90x = 264,626.55 × 156,977.70
  4. Step 4: Simplify right side
    176,676.90x = 41,540,467,177.94
  5. Step 5: Solve for x
    x = 41,540,467,177.94/176,676.90
  6. Step 6: Final answer
    x = 235,121.10

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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.