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Finding the Fourth Proportional to 188,757.72, 283,136.58 and 48,516.48

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Solution

The fourth proportional to 188,757.72, 283,136.58 and 48,516.48 is: 72,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,757.72 : 283,136.58 = 48,516.48 : x
  2. Step 2: Convert to fraction form
    188,757.72/283,136.58 = 48,516.48/x
  3. Step 3: Cross multiply
    188,757.72x = 283,136.58 × 48,516.48
  4. Step 4: Simplify right side
    188,757.72x = 13,736,790,220.84
  5. Step 5: Solve for x
    x = 13,736,790,220.84/188,757.72
  6. Step 6: Final answer
    x = 72,774.72

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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.