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Finding the Fourth Proportional to 216,814.65, 325,220.15 and 169,469.57

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Solution

The fourth proportional to 216,814.65, 325,220.15 and 169,469.57 is: 254,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,814.65 : 325,220.15 = 169,469.57 : x
  2. Step 2: Convert to fraction form
    216,814.65/325,220.15 = 169,469.57/x
  3. Step 3: Cross multiply
    216,814.65x = 325,220.15 × 169,469.57
  4. Step 4: Simplify right side
    216,814.65x = 55,114,916,502.39
  5. Step 5: Solve for x
    x = 55,114,916,502.39/216,814.65
  6. Step 6: Final answer
    x = 254,202.92

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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.