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Finding the Fourth Proportional to 184,419.72, 254,523.46 and 103,863

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Solution

The fourth proportional to 184,419.72, 254,523.46 and 103,863 is: 143,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,419.72 : 254,523.46 = 103,863 : x
  2. Step 2: Convert to fraction form
    184,419.72/254,523.46 = 103,863/x
  3. Step 3: Cross multiply
    184,419.72x = 254,523.46 × 103,863
  4. Step 4: Simplify right side
    184,419.72x = 26,435,570,125.98
  5. Step 5: Solve for x
    x = 26,435,570,125.98/184,419.72
  6. Step 6: Final answer
    x = 143,344.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.