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Finding the Fourth Proportional to 236,939.80, 356,187.30 and 167,301.40

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Solution

The fourth proportional to 236,939.80, 356,187.30 and 167,301.40 is: 251,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,939.80 : 356,187.30 = 167,301.40 : x
  2. Step 2: Convert to fraction form
    236,939.80/356,187.30 = 167,301.40/x
  3. Step 3: Cross multiply
    236,939.80x = 356,187.30 × 167,301.40
  4. Step 4: Simplify right side
    236,939.80x = 59,590,633,952.22
  5. Step 5: Solve for x
    x = 59,590,633,952.22/236,939.80
  6. Step 6: Final answer
    x = 251,501.16

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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.