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Finding the Fourth Proportional to 61,051.76, 91,993.65 and 50,201.52

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Solution

The fourth proportional to 61,051.76, 91,993.65 and 50,201.52 is: 75,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.76 : 91,993.65 = 50,201.52 : x
  2. Step 2: Convert to fraction form
    61,051.76/91,993.65 = 50,201.52/x
  3. Step 3: Cross multiply
    61,051.76x = 91,993.65 × 50,201.52
  4. Step 4: Simplify right side
    61,051.76x = 4,618,221,060.35
  5. Step 5: Solve for x
    x = 4,618,221,060.35/61,051.76
  6. Step 6: Final answer
    x = 75,644.36

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.