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Finding the Fourth Proportional to 133,531.88, 184,273.99 and 73,915.88

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Solution

The fourth proportional to 133,531.88, 184,273.99 and 73,915.88 is: 102,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,531.88 : 184,273.99 = 73,915.88 : x
  2. Step 2: Convert to fraction form
    133,531.88/184,273.99 = 73,915.88/x
  3. Step 3: Cross multiply
    133,531.88x = 184,273.99 × 73,915.88
  4. Step 4: Simplify right side
    133,531.88x = 13,620,773,025.80
  5. Step 5: Solve for x
    x = 13,620,773,025.80/133,531.88
  6. Step 6: Final answer
    x = 102,003.91

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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.