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Finding the Fourth Proportional to 133,515, 184,253.58 and 73,899

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Solution

The fourth proportional to 133,515, 184,253.58 and 73,899 is: 101,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,515 : 184,253.58 = 73,899 : x
  2. Step 2: Convert to fraction form
    133,515/184,253.58 = 73,899/x
  3. Step 3: Cross multiply
    133,515x = 184,253.58 × 73,899
  4. Step 4: Simplify right side
    133,515x = 13,616,155,308.42
  5. Step 5: Solve for x
    x = 13,616,155,308.42/133,515
  6. Step 6: Final answer
    x = 101,982.21

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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.