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Finding the Fourth Proportional to 57,042.59, 78,687.15 and 33,166.62

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Solution

The fourth proportional to 57,042.59, 78,687.15 and 33,166.62 is: 45,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,042.59 : 78,687.15 = 33,166.62 : x
  2. Step 2: Convert to fraction form
    57,042.59/78,687.15 = 33,166.62/x
  3. Step 3: Cross multiply
    57,042.59x = 78,687.15 × 33,166.62
  4. Step 4: Simplify right side
    57,042.59x = 2,609,786,802.93
  5. Step 5: Solve for x
    x = 2,609,786,802.93/57,042.59
  6. Step 6: Final answer
    x = 45,751.55

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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.