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Finding the Fourth Proportional to 165,851.70, 248,777.55 and 41,192.70

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Solution

The fourth proportional to 165,851.70, 248,777.55 and 41,192.70 is: 61,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,851.70 : 248,777.55 = 41,192.70 : x
  2. Step 2: Convert to fraction form
    165,851.70/248,777.55 = 41,192.70/x
  3. Step 3: Cross multiply
    165,851.70x = 248,777.55 × 41,192.70
  4. Step 4: Simplify right side
    165,851.70x = 10,247,818,983.89
  5. Step 5: Solve for x
    x = 10,247,818,983.89/165,851.70
  6. Step 6: Final answer
    x = 61,789.05

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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.