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Finding the Fourth Proportional to 95,783.56, 132,167.50 and 55,489.91

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Solution

The fourth proportional to 95,783.56, 132,167.50 and 55,489.91 is: 76,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,783.56 : 132,167.50 = 55,489.91 : x
  2. Step 2: Convert to fraction form
    95,783.56/132,167.50 = 55,489.91/x
  3. Step 3: Cross multiply
    95,783.56x = 132,167.50 × 55,489.91
  4. Step 4: Simplify right side
    95,783.56x = 7,333,961,880.36
  5. Step 5: Solve for x
    x = 7,333,961,880.36/95,783.56
  6. Step 6: Final answer
    x = 76,568.07

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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.