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Finding the Fourth Proportional to 236,940.80, 356,188.80 and 167,302.40

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Solution

The fourth proportional to 236,940.80, 356,188.80 and 167,302.40 is: 251,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,940.80 : 356,188.80 = 167,302.40 : x
  2. Step 2: Convert to fraction form
    236,940.80/356,188.80 = 167,302.40/x
  3. Step 3: Cross multiply
    236,940.80x = 356,188.80 × 167,302.40
  4. Step 4: Simplify right side
    236,940.80x = 59,591,241,093.12
  5. Step 5: Solve for x
    x = 59,591,241,093.12/236,940.80
  6. Step 6: Final answer
    x = 251,502.66

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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.