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Finding the Fourth Proportional to 94,471.98, 130,361.68 and 58,167.66

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Solution

The fourth proportional to 94,471.98, 130,361.68 and 58,167.66 is: 80,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,471.98 : 130,361.68 = 58,167.66 : x
  2. Step 2: Convert to fraction form
    94,471.98/130,361.68 = 58,167.66/x
  3. Step 3: Cross multiply
    94,471.98x = 130,361.68 × 58,167.66
  4. Step 4: Simplify right side
    94,471.98x = 7,582,833,879.27
  5. Step 5: Solve for x
    x = 7,582,833,879.27/94,471.98
  6. Step 6: Final answer
    x = 80,265.43

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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.