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Finding the Fourth Proportional to 133,915.26, 184,794.02 and 73,489.78

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Solution

The fourth proportional to 133,915.26, 184,794.02 and 73,489.78 is: 101,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,915.26 : 184,794.02 = 73,489.78 : x
  2. Step 2: Convert to fraction form
    133,915.26/184,794.02 = 73,489.78/x
  3. Step 3: Cross multiply
    133,915.26x = 184,794.02 × 73,489.78
  4. Step 4: Simplify right side
    133,915.26x = 13,580,471,875.12
  5. Step 5: Solve for x
    x = 13,580,471,875.12/133,915.26
  6. Step 6: Final answer
    x = 101,410.94

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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.