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Finding the Fourth Proportional to 264,041.90, 395,904.66 and 84,049.56

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Solution

The fourth proportional to 264,041.90, 395,904.66 and 84,049.56 is: 126,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,041.90 : 395,904.66 = 84,049.56 : x
  2. Step 2: Convert to fraction form
    264,041.90/395,904.66 = 84,049.56/x
  3. Step 3: Cross multiply
    264,041.90x = 395,904.66 × 84,049.56
  4. Step 4: Simplify right side
    264,041.90x = 33,275,612,474.95
  5. Step 5: Solve for x
    x = 33,275,612,474.95/264,041.90
  6. Step 6: Final answer
    x = 126,023.99

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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.