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Finding the Fourth Proportional to 101,324.80, 152,017.84 and 30,249.76

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Solution

The fourth proportional to 101,324.80, 152,017.84 and 30,249.76 is: 45,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,324.80 : 152,017.84 = 30,249.76 : x
  2. Step 2: Convert to fraction form
    101,324.80/152,017.84 = 30,249.76/x
  3. Step 3: Cross multiply
    101,324.80x = 152,017.84 × 30,249.76
  4. Step 4: Simplify right side
    101,324.80x = 4,598,503,175.72
  5. Step 5: Solve for x
    x = 4,598,503,175.72/101,324.80
  6. Step 6: Final answer
    x = 45,383.79

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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.