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Finding the Fourth Proportional to 123,257.52, 184,736.88 and 56,604.96

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Solution

The fourth proportional to 123,257.52, 184,736.88 and 56,604.96 is: 84,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,257.52 : 184,736.88 = 56,604.96 : x
  2. Step 2: Convert to fraction form
    123,257.52/184,736.88 = 56,604.96/x
  3. Step 3: Cross multiply
    123,257.52x = 184,736.88 × 56,604.96
  4. Step 4: Simplify right side
    123,257.52x = 10,457,023,702.92
  5. Step 5: Solve for x
    x = 10,457,023,702.92/123,257.52
  6. Step 6: Final answer
    x = 84,838.83

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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.