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Finding the Fourth Proportional to 123,661.02, 185,365.43 and 48,739.56

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Solution

The fourth proportional to 123,661.02, 185,365.43 and 48,739.56 is: 73,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,661.02 : 185,365.43 = 48,739.56 : x
  2. Step 2: Convert to fraction form
    123,661.02/185,365.43 = 48,739.56/x
  3. Step 3: Cross multiply
    123,661.02x = 185,365.43 × 48,739.56
  4. Step 4: Simplify right side
    123,661.02x = 9,034,629,784.05
  5. Step 5: Solve for x
    x = 9,034,629,784.05/123,661.02
  6. Step 6: Final answer
    x = 73,059.64

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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.