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Finding the Fourth Proportional to 226,603.96, 339,928.12 and 82,548.92

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Solution

The fourth proportional to 226,603.96, 339,928.12 and 82,548.92 is: 123,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,603.96 : 339,928.12 = 82,548.92 : x
  2. Step 2: Convert to fraction form
    226,603.96/339,928.12 = 82,548.92/x
  3. Step 3: Cross multiply
    226,603.96x = 339,928.12 × 82,548.92
  4. Step 4: Simplify right side
    226,603.96x = 28,060,700,136.64
  5. Step 5: Solve for x
    x = 28,060,700,136.64/226,603.96
  6. Step 6: Final answer
    x = 123,831.47

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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.