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Finding the Fourth Proportional to 96,350, 132,963 and 53,916.73

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Solution

The fourth proportional to 96,350, 132,963 and 53,916.73 is: 74,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,350 : 132,963 = 53,916.73 : x
  2. Step 2: Convert to fraction form
    96,350/132,963 = 53,916.73/x
  3. Step 3: Cross multiply
    96,350x = 132,963 × 53,916.73
  4. Step 4: Simplify right side
    96,350x = 7,168,930,503.40
  5. Step 5: Solve for x
    x = 7,168,930,503.40/96,350
  6. Step 6: Final answer
    x = 74,405.09

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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.