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Finding the Fourth Proportional to 123,160.88, 184,810.48 and 67,004.90

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Solution

The fourth proportional to 123,160.88, 184,810.48 and 67,004.90 is: 100,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,160.88 : 184,810.48 = 67,004.90 : x
  2. Step 2: Convert to fraction form
    123,160.88/184,810.48 = 67,004.90/x
  3. Step 3: Cross multiply
    123,160.88x = 184,810.48 × 67,004.90
  4. Step 4: Simplify right side
    123,160.88x = 12,383,208,025.87
  5. Step 5: Solve for x
    x = 12,383,208,025.87/123,160.88
  6. Step 6: Final answer
    x = 100,544.98

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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.