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Finding the Fourth Proportional to 133,774.62, 184,617.27 and 74,158.62

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Solution

The fourth proportional to 133,774.62, 184,617.27 and 74,158.62 is: 102,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774.62 : 184,617.27 = 74,158.62 : x
  2. Step 2: Convert to fraction form
    133,774.62/184,617.27 = 74,158.62/x
  3. Step 3: Cross multiply
    133,774.62x = 184,617.27 × 74,158.62
  4. Step 4: Simplify right side
    133,774.62x = 13,690,961,971.37
  5. Step 5: Solve for x
    x = 13,690,961,971.37/133,774.62
  6. Step 6: Final answer
    x = 102,343.49

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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.