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Finding the Fourth Proportional to 165,900.76, 248,954.34 and 67,404.76

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Solution

The fourth proportional to 165,900.76, 248,954.34 and 67,404.76 is: 101,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,900.76 : 248,954.34 = 67,404.76 : x
  2. Step 2: Convert to fraction form
    165,900.76/248,954.34 = 67,404.76/x
  3. Step 3: Cross multiply
    165,900.76x = 248,954.34 × 67,404.76
  4. Step 4: Simplify right side
    165,900.76x = 16,780,707,538.66
  5. Step 5: Solve for x
    x = 16,780,707,538.66/165,900.76
  6. Step 6: Final answer
    x = 101,149.07

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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.