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Finding the Fourth Proportional to 124,361.92, 171,619.46 and 67,773.25

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Solution

The fourth proportional to 124,361.92, 171,619.46 and 67,773.25 is: 93,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,361.92 : 171,619.46 = 67,773.25 : x
  2. Step 2: Convert to fraction form
    124,361.92/171,619.46 = 67,773.25/x
  3. Step 3: Cross multiply
    124,361.92x = 171,619.46 × 67,773.25
  4. Step 4: Simplify right side
    124,361.92x = 11,631,208,567.45
  5. Step 5: Solve for x
    x = 11,631,208,567.45/124,361.92
  6. Step 6: Final answer
    x = 93,527.09

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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.