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Finding the Fourth Proportional to 123,050.80, 184,522.20 and 56,468.80

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Solution

The fourth proportional to 123,050.80, 184,522.20 and 56,468.80 is: 84,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,050.80 : 184,522.20 = 56,468.80 : x
  2. Step 2: Convert to fraction form
    123,050.80/184,522.20 = 56,468.80/x
  3. Step 3: Cross multiply
    123,050.80x = 184,522.20 × 56,468.80
  4. Step 4: Simplify right side
    123,050.80x = 10,419,747,207.36
  5. Step 5: Solve for x
    x = 10,419,747,207.36/123,050.80
  6. Step 6: Final answer
    x = 84,678.42

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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.