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Finding the Fourth Proportional to 123,118.39, 184,611.95 and 63,894.43

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Solution

The fourth proportional to 123,118.39, 184,611.95 and 63,894.43 is: 95,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,118.39 : 184,611.95 = 63,894.43 : x
  2. Step 2: Convert to fraction form
    123,118.39/184,611.95 = 63,894.43/x
  3. Step 3: Cross multiply
    123,118.39x = 184,611.95 × 63,894.43
  4. Step 4: Simplify right side
    123,118.39x = 11,795,674,996.97
  5. Step 5: Solve for x
    x = 11,795,674,996.97/123,118.39
  6. Step 6: Final answer
    x = 95,807.58

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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.