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Finding the Fourth Proportional to 158,344.80, 236,998.80 and 123,093.60

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Solution

The fourth proportional to 158,344.80, 236,998.80 and 123,093.60 is: 184,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,344.80 : 236,998.80 = 123,093.60 : x
  2. Step 2: Convert to fraction form
    158,344.80/236,998.80 = 123,093.60/x
  3. Step 3: Cross multiply
    158,344.80x = 236,998.80 × 123,093.60
  4. Step 4: Simplify right side
    158,344.80x = 29,173,035,487.68
  5. Step 5: Solve for x
    x = 29,173,035,487.68/158,344.80
  6. Step 6: Final answer
    x = 184,237.41

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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.