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Finding the Fourth Proportional to 226,630.80, 339,967.53 and 66,706.83

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Solution

The fourth proportional to 226,630.80, 339,967.53 and 66,706.83 is: 100,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,630.80 : 339,967.53 = 66,706.83 : x
  2. Step 2: Convert to fraction form
    226,630.80/339,967.53 = 66,706.83/x
  3. Step 3: Cross multiply
    226,630.80x = 339,967.53 × 66,706.83
  4. Step 4: Simplify right side
    226,630.80x = 22,678,156,229.23
  5. Step 5: Solve for x
    x = 22,678,156,229.23/226,630.80
  6. Step 6: Final answer
    x = 100,066.52

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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.