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Finding the Fourth Proportional to 123,179.58, 184,720.50 and 42,106.41

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Solution

The fourth proportional to 123,179.58, 184,720.50 and 42,106.41 is: 63,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,179.58 : 184,720.50 = 42,106.41 : x
  2. Step 2: Convert to fraction form
    123,179.58/184,720.50 = 42,106.41/x
  3. Step 3: Cross multiply
    123,179.58x = 184,720.50 × 42,106.41
  4. Step 4: Simplify right side
    123,179.58x = 7,777,917,108.41
  5. Step 5: Solve for x
    x = 7,777,917,108.41/123,179.58
  6. Step 6: Final answer
    x = 63,142.91

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