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Finding the Fourth Proportional to 95,682.57, 132,041.95 and 55,398.43

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Solution

The fourth proportional to 95,682.57, 132,041.95 and 55,398.43 is: 76,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,682.57 : 132,041.95 = 55,398.43 : x
  2. Step 2: Convert to fraction form
    95,682.57/132,041.95 = 55,398.43/x
  3. Step 3: Cross multiply
    95,682.57x = 132,041.95 × 55,398.43
  4. Step 4: Simplify right side
    95,682.57x = 7,314,916,750.69
  5. Step 5: Solve for x
    x = 7,314,916,750.69/95,682.57
  6. Step 6: Final answer
    x = 76,449.84

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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.