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Finding the Fourth Proportional to 354,361.53, 531,610.74 and 114,539.97

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Solution

The fourth proportional to 354,361.53, 531,610.74 and 114,539.97 is: 171,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,361.53 : 531,610.74 = 114,539.97 : x
  2. Step 2: Convert to fraction form
    354,361.53/531,610.74 = 114,539.97/x
  3. Step 3: Cross multiply
    354,361.53x = 531,610.74 × 114,539.97
  4. Step 4: Simplify right side
    354,361.53x = 60,890,678,211.28
  5. Step 5: Solve for x
    x = 60,890,678,211.28/354,361.53
  6. Step 6: Final answer
    x = 171,832.08

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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.