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Finding the Fourth Proportional to 123,493.56, 185,240.34 and 29,998.68

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Solution

The fourth proportional to 123,493.56, 185,240.34 and 29,998.68 is: 44,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,493.56 : 185,240.34 = 29,998.68 : x
  2. Step 2: Convert to fraction form
    123,493.56/185,240.34 = 29,998.68/x
  3. Step 3: Cross multiply
    123,493.56x = 185,240.34 × 29,998.68
  4. Step 4: Simplify right side
    123,493.56x = 5,556,965,682.75
  5. Step 5: Solve for x
    x = 5,556,965,682.75/123,493.56
  6. Step 6: Final answer
    x = 44,998.02

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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.