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Finding the Fourth Proportional to 365,137.10, 547,622.85 and 165,325.58

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Solution

The fourth proportional to 365,137.10, 547,622.85 and 165,325.58 is: 247,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,137.10 : 547,622.85 = 165,325.58 : x
  2. Step 2: Convert to fraction form
    365,137.10/547,622.85 = 165,325.58/x
  3. Step 3: Cross multiply
    365,137.10x = 547,622.85 × 165,325.58
  4. Step 4: Simplify right side
    365,137.10x = 90,536,065,297.50
  5. Step 5: Solve for x
    x = 90,536,065,297.50/365,137.10
  6. Step 6: Final answer
    x = 247,950.88

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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.