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Finding the Fourth Proportional to 158,305.80, 236,940.30 and 123,054.60

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Solution

The fourth proportional to 158,305.80, 236,940.30 and 123,054.60 is: 184,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,305.80 : 236,940.30 = 123,054.60 : x
  2. Step 2: Convert to fraction form
    158,305.80/236,940.30 = 123,054.60/x
  3. Step 3: Cross multiply
    158,305.80x = 236,940.30 × 123,054.60
  4. Step 4: Simplify right side
    158,305.80x = 29,156,593,840.38
  5. Step 5: Solve for x
    x = 29,156,593,840.38/158,305.80
  6. Step 6: Final answer
    x = 184,178.94

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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.