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Finding the Fourth Proportional to 216,610.27, 324,916.32 and 142,201.24

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Solution

The fourth proportional to 216,610.27, 324,916.32 and 142,201.24 is: 213,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,610.27 : 324,916.32 = 142,201.24 : x
  2. Step 2: Convert to fraction form
    216,610.27/324,916.32 = 142,201.24/x
  3. Step 3: Cross multiply
    216,610.27x = 324,916.32 × 142,201.24
  4. Step 4: Simplify right side
    216,610.27x = 46,203,504,006.38
  5. Step 5: Solve for x
    x = 46,203,504,006.38/216,610.27
  6. Step 6: Final answer
    x = 213,302.46

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1.5x scale

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.