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Finding the Fourth Proportional to 226,765.40, 340,277.70 and 86,624.60

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Solution

The fourth proportional to 226,765.40, 340,277.70 and 86,624.60 is: 129,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,765.40 : 340,277.70 = 86,624.60 : x
  2. Step 2: Convert to fraction form
    226,765.40/340,277.70 = 86,624.60/x
  3. Step 3: Cross multiply
    226,765.40x = 340,277.70 × 86,624.60
  4. Step 4: Simplify right side
    226,765.40x = 29,476,419,651.42
  5. Step 5: Solve for x
    x = 29,476,419,651.42/226,765.40
  6. Step 6: Final answer
    x = 129,986.41

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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.