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Finding the Fourth Proportional to 216,814.46, 325,219.86 and 169,469.38

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Solution

The fourth proportional to 216,814.46, 325,219.86 and 169,469.38 is: 254,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,814.46 : 325,219.86 = 169,469.38 : x
  2. Step 2: Convert to fraction form
    216,814.46/325,219.86 = 169,469.38/x
  3. Step 3: Cross multiply
    216,814.46x = 325,219.86 × 169,469.38
  4. Step 4: Simplify right side
    216,814.46x = 55,114,808,037.89
  5. Step 5: Solve for x
    x = 55,114,808,037.89/216,814.46
  6. Step 6: Final answer
    x = 254,202.64

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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.