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Finding the Fourth Proportional to 92,369.45, 127,471.26 and 54,119.84

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Solution

The fourth proportional to 92,369.45, 127,471.26 and 54,119.84 is: 74,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,369.45 : 127,471.26 = 54,119.84 : x
  2. Step 2: Convert to fraction form
    92,369.45/127,471.26 = 54,119.84/x
  3. Step 3: Cross multiply
    92,369.45x = 127,471.26 × 54,119.84
  4. Step 4: Simplify right side
    92,369.45x = 6,898,723,558.44
  5. Step 5: Solve for x
    x = 6,898,723,558.44/92,369.45
  6. Step 6: Final answer
    x = 74,686.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.