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Finding the Fourth Proportional to 95,898.63, 132,340.68 and 55,636.38

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Solution

The fourth proportional to 95,898.63, 132,340.68 and 55,636.38 is: 76,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,898.63 : 132,340.68 = 55,636.38 : x
  2. Step 2: Convert to fraction form
    95,898.63/132,340.68 = 55,636.38/x
  3. Step 3: Cross multiply
    95,898.63x = 132,340.68 × 55,636.38
  4. Step 4: Simplify right side
    95,898.63x = 7,362,956,361.94
  5. Step 5: Solve for x
    x = 7,362,956,361.94/95,898.63
  6. Step 6: Final answer
    x = 76,778.54

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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.