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Finding the Fourth Proportional to 226,561, 339,374.88 and 132,840.76

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Solution

The fourth proportional to 226,561, 339,374.88 and 132,840.76 is: 198,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,561 : 339,374.88 = 132,840.76 : x
  2. Step 2: Convert to fraction form
    226,561/339,374.88 = 132,840.76/x
  3. Step 3: Cross multiply
    226,561x = 339,374.88 × 132,840.76
  4. Step 4: Simplify right side
    226,561x = 45,082,816,984.11
  5. Step 5: Solve for x
    x = 45,082,816,984.11/226,561
  6. Step 6: Final answer
    x = 198,987.54

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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.