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Finding the Fourth Proportional to 96,138, 132,666.39 and 55,299.02

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Solution

The fourth proportional to 96,138, 132,666.39 and 55,299.02 is: 76,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,138 : 132,666.39 = 55,299.02 : x
  2. Step 2: Convert to fraction form
    96,138/132,666.39 = 55,299.02/x
  3. Step 3: Cross multiply
    96,138x = 132,666.39 × 55,299.02
  4. Step 4: Simplify right side
    96,138x = 7,336,320,690.61
  5. Step 5: Solve for x
    x = 7,336,320,690.61/96,138
  6. Step 6: Final answer
    x = 76,310.31

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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.