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Finding the Fourth Proportional to 165,770.51, 248,657.49 and 132,700.79

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Solution

The fourth proportional to 165,770.51, 248,657.49 and 132,700.79 is: 199,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,770.51 : 248,657.49 = 132,700.79 : x
  2. Step 2: Convert to fraction form
    165,770.51/248,657.49 = 132,700.79/x
  3. Step 3: Cross multiply
    165,770.51x = 248,657.49 × 132,700.79
  4. Step 4: Simplify right side
    165,770.51x = 32,997,045,984.06
  5. Step 5: Solve for x
    x = 32,997,045,984.06/165,770.51
  6. Step 6: Final answer
    x = 199,052.58

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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.