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Finding the Fourth Proportional to 165,780.80, 248,930.40 and 95,796.80

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Solution

The fourth proportional to 165,780.80, 248,930.40 and 95,796.80 is: 143,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,780.80 : 248,930.40 = 95,796.80 : x
  2. Step 2: Convert to fraction form
    165,780.80/248,930.40 = 95,796.80/x
  3. Step 3: Cross multiply
    165,780.80x = 248,930.40 × 95,796.80
  4. Step 4: Simplify right side
    165,780.80x = 23,846,735,742.72
  5. Step 5: Solve for x
    x = 23,846,735,742.72/165,780.80
  6. Step 6: Final answer
    x = 143,844.98

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1.5x scale

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.