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Finding the Fourth Proportional to 88,791.57, 122,530.32 and 48,505.50

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Solution

The fourth proportional to 88,791.57, 122,530.32 and 48,505.50 is: 66,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,791.57 : 122,530.32 = 48,505.50 : x
  2. Step 2: Convert to fraction form
    88,791.57/122,530.32 = 48,505.50/x
  3. Step 3: Cross multiply
    88,791.57x = 122,530.32 × 48,505.50
  4. Step 4: Simplify right side
    88,791.57x = 5,943,394,436.76
  5. Step 5: Solve for x
    x = 5,943,394,436.76/88,791.57
  6. Step 6: Final answer
    x = 66,936.47

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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.