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Finding the Fourth Proportional to 92,893.95, 128,191.53 and 50,451.57

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Solution

The fourth proportional to 92,893.95, 128,191.53 and 50,451.57 is: 69,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.95 : 128,191.53 = 50,451.57 : x
  2. Step 2: Convert to fraction form
    92,893.95/128,191.53 = 50,451.57/x
  3. Step 3: Cross multiply
    92,893.95x = 128,191.53 × 50,451.57
  4. Step 4: Simplify right side
    92,893.95x = 6,467,463,949.20
  5. Step 5: Solve for x
    x = 6,467,463,949.20/92,893.95
  6. Step 6: Final answer
    x = 69,622.01

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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.