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Finding the Fourth Proportional to 179,327.60, 268,894.20 and 74,027.60

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Solution

The fourth proportional to 179,327.60, 268,894.20 and 74,027.60 is: 111,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,327.60 : 268,894.20 = 74,027.60 : x
  2. Step 2: Convert to fraction form
    179,327.60/268,894.20 = 74,027.60/x
  3. Step 3: Cross multiply
    179,327.60x = 268,894.20 × 74,027.60
  4. Step 4: Simplify right side
    179,327.60x = 19,905,592,279.92
  5. Step 5: Solve for x
    x = 19,905,592,279.92/179,327.60
  6. Step 6: Final answer
    x = 111,001.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.