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Finding the Fourth Proportional to 101,477.86, 140,033 and 55,528.18

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Solution

The fourth proportional to 101,477.86, 140,033 and 55,528.18 is: 76,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,477.86 : 140,033 = 55,528.18 : x
  2. Step 2: Convert to fraction form
    101,477.86/140,033 = 55,528.18/x
  3. Step 3: Cross multiply
    101,477.86x = 140,033 × 55,528.18
  4. Step 4: Simplify right side
    101,477.86x = 7,775,777,629.94
  5. Step 5: Solve for x
    x = 7,775,777,629.94/101,477.86
  6. Step 6: Final answer
    x = 76,625.36

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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.