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Finding the Fourth Proportional to 123,276.51, 184,843.41 and 48,308.88

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Solution

The fourth proportional to 123,276.51, 184,843.41 and 48,308.88 is: 72,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,276.51 : 184,843.41 = 48,308.88 : x
  2. Step 2: Convert to fraction form
    123,276.51/184,843.41 = 48,308.88/x
  3. Step 3: Cross multiply
    123,276.51x = 184,843.41 × 48,308.88
  4. Step 4: Simplify right side
    123,276.51x = 8,929,578,112.48
  5. Step 5: Solve for x
    x = 8,929,578,112.48/123,276.51
  6. Step 6: Final answer
    x = 72,435.36

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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.