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Finding the Fourth Proportional to 355,651.85, 533,477.16 and 166,048.67

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Solution

The fourth proportional to 355,651.85, 533,477.16 and 166,048.67 is: 249,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,651.85 : 533,477.16 = 166,048.67 : x
  2. Step 2: Convert to fraction form
    355,651.85/533,477.16 = 166,048.67/x
  3. Step 3: Cross multiply
    355,651.85x = 533,477.16 × 166,048.67
  4. Step 4: Simplify right side
    355,651.85x = 88,583,170,225.99
  5. Step 5: Solve for x
    x = 88,583,170,225.99/355,651.85
  6. Step 6: Final answer
    x = 249,072.71

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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.