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Finding the Fourth Proportional to 216,536.43, 324,845.61 and 98,217.03

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Solution

The fourth proportional to 216,536.43, 324,845.61 and 98,217.03 is: 147,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,536.43 : 324,845.61 = 98,217.03 : x
  2. Step 2: Convert to fraction form
    216,536.43/324,845.61 = 98,217.03/x
  3. Step 3: Cross multiply
    216,536.43x = 324,845.61 × 98,217.03
  4. Step 4: Simplify right side
    216,536.43x = 31,905,371,022.74
  5. Step 5: Solve for x
    x = 31,905,371,022.74/216,536.43
  6. Step 6: Final answer
    x = 147,344.13

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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.