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Finding the Fourth Proportional to 134,187.80, 185,181.24 and 73,761

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Solution

The fourth proportional to 134,187.80, 185,181.24 and 73,761 is: 101,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,187.80 : 185,181.24 = 73,761 : x
  2. Step 2: Convert to fraction form
    134,187.80/185,181.24 = 73,761/x
  3. Step 3: Cross multiply
    134,187.80x = 185,181.24 × 73,761
  4. Step 4: Simplify right side
    134,187.80x = 13,659,153,443.64
  5. Step 5: Solve for x
    x = 13,659,153,443.64/134,187.80
  6. Step 6: Final answer
    x = 101,791.32

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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.