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Finding the Fourth Proportional to 218,579.04, 301,661.82 and 133,752.60

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Solution

The fourth proportional to 218,579.04, 301,661.82 and 133,752.60 is: 184,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,579.04 : 301,661.82 = 133,752.60 : x
  2. Step 2: Convert to fraction form
    218,579.04/301,661.82 = 133,752.60/x
  3. Step 3: Cross multiply
    218,579.04x = 301,661.82 × 133,752.60
  4. Step 4: Simplify right side
    218,579.04x = 40,348,052,745.73
  5. Step 5: Solve for x
    x = 40,348,052,745.73/218,579.04
  6. Step 6: Final answer
    x = 184,592.51

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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.