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Finding the Fourth Proportional to 123,991.12, 185,893.04 and 63,955.24

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Solution

The fourth proportional to 123,991.12, 185,893.04 and 63,955.24 is: 95,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,991.12 : 185,893.04 = 63,955.24 : x
  2. Step 2: Convert to fraction form
    123,991.12/185,893.04 = 63,955.24/x
  3. Step 3: Cross multiply
    123,991.12x = 185,893.04 × 63,955.24
  4. Step 4: Simplify right side
    123,991.12x = 11,888,833,682.69
  5. Step 5: Solve for x
    x = 11,888,833,682.69/123,991.12
  6. Step 6: Final answer
    x = 95,884.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.