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Finding the Fourth Proportional to 323,134.98, 484,774.42 and 98,512.89

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Solution

The fourth proportional to 323,134.98, 484,774.42 and 98,512.89 is: 147,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,134.98 : 484,774.42 = 98,512.89 : x
  2. Step 2: Convert to fraction form
    323,134.98/484,774.42 = 98,512.89/x
  3. Step 3: Cross multiply
    323,134.98x = 484,774.42 × 98,512.89
  4. Step 4: Simplify right side
    323,134.98x = 47,756,529,112.27
  5. Step 5: Solve for x
    x = 47,756,529,112.27/323,134.98
  6. Step 6: Final answer
    x = 147,791.27

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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.