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Finding the Fourth Proportional to 347,687.88, 521,447.52 and 94,969.54

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Solution

The fourth proportional to 347,687.88, 521,447.52 and 94,969.54 is: 142,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,687.88 : 521,447.52 = 94,969.54 : x
  2. Step 2: Convert to fraction form
    347,687.88/521,447.52 = 94,969.54/x
  3. Step 3: Cross multiply
    347,687.88x = 521,447.52 × 94,969.54
  4. Step 4: Simplify right side
    347,687.88x = 49,521,631,108.54
  5. Step 5: Solve for x
    x = 49,521,631,108.54/347,687.88
  6. Step 6: Final answer
    x = 142,431.28

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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.