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Finding the Fourth Proportional to 216,609.10, 325,073.30 and 102,757.27

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Solution

The fourth proportional to 216,609.10, 325,073.30 and 102,757.27 is: 154,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,609.10 : 325,073.30 = 102,757.27 : x
  2. Step 2: Convert to fraction form
    216,609.10/325,073.30 = 102,757.27/x
  3. Step 3: Cross multiply
    216,609.10x = 325,073.30 × 102,757.27
  4. Step 4: Simplify right side
    216,609.10x = 33,403,643,531.42
  5. Step 5: Solve for x
    x = 33,403,643,531.42/216,609.10
  6. Step 6: Final answer
    x = 154,211.63

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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.