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Finding the Fourth Proportional to 302,882.85, 454,535.01 and 125,390.79

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Solution

The fourth proportional to 302,882.85, 454,535.01 and 125,390.79 is: 188,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,882.85 : 454,535.01 = 125,390.79 : x
  2. Step 2: Convert to fraction form
    302,882.85/454,535.01 = 125,390.79/x
  3. Step 3: Cross multiply
    302,882.85x = 454,535.01 × 125,390.79
  4. Step 4: Simplify right side
    302,882.85x = 56,994,503,986.56
  5. Step 5: Solve for x
    x = 56,994,503,986.56/302,882.85
  6. Step 6: Final answer
    x = 188,173.43

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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.