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Finding the Fourth Proportional to 55,076.94, 82,156.64 and 49,761.90

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Solution

The fourth proportional to 55,076.94, 82,156.64 and 49,761.90 is: 74,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.94 : 82,156.64 = 49,761.90 : x
  2. Step 2: Convert to fraction form
    55,076.94/82,156.64 = 49,761.90/x
  3. Step 3: Cross multiply
    55,076.94x = 82,156.64 × 49,761.90
  4. Step 4: Simplify right side
    55,076.94x = 4,088,270,255.21
  5. Step 5: Solve for x
    x = 4,088,270,255.21/55,076.94
  6. Step 6: Final answer
    x = 74,228.35

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.