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Finding the Fourth Proportional to 92,773.26, 128,093.67 and 57,011.22

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Solution

The fourth proportional to 92,773.26, 128,093.67 and 57,011.22 is: 78,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,773.26 : 128,093.67 = 57,011.22 : x
  2. Step 2: Convert to fraction form
    92,773.26/128,093.67 = 57,011.22/x
  3. Step 3: Cross multiply
    92,773.26x = 128,093.67 × 57,011.22
  4. Step 4: Simplify right side
    92,773.26x = 7,302,776,400.98
  5. Step 5: Solve for x
    x = 7,302,776,400.98/92,773.26
  6. Step 6: Final answer
    x = 78,716.39

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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.