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Finding the Fourth Proportional to 200,639.59, 276,884.91 and 114,609.96

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Solution

The fourth proportional to 200,639.59, 276,884.91 and 114,609.96 is: 158,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,639.59 : 276,884.91 = 114,609.96 : x
  2. Step 2: Convert to fraction form
    200,639.59/276,884.91 = 114,609.96/x
  3. Step 3: Cross multiply
    200,639.59x = 276,884.91 × 114,609.96
  4. Step 4: Simplify right side
    200,639.59x = 31,733,768,916.10
  5. Step 5: Solve for x
    x = 31,733,768,916.10/200,639.59
  6. Step 6: Final answer
    x = 158,163.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.