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Finding the Fourth Proportional to 67,451.34, 93,114.34 and 39,151.56

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Solution

The fourth proportional to 67,451.34, 93,114.34 and 39,151.56 is: 54,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,451.34 : 93,114.34 = 39,151.56 : x
  2. Step 2: Convert to fraction form
    67,451.34/93,114.34 = 39,151.56/x
  3. Step 3: Cross multiply
    67,451.34x = 93,114.34 × 39,151.56
  4. Step 4: Simplify right side
    67,451.34x = 3,645,571,669.37
  5. Step 5: Solve for x
    x = 3,645,571,669.37/67,451.34
  6. Step 6: Final answer
    x = 54,047.43

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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.