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Finding the Fourth Proportional to 179,107.60, 268,272.60 and 148,003.60

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Solution

The fourth proportional to 179,107.60, 268,272.60 and 148,003.60 is: 221,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,107.60 : 268,272.60 = 148,003.60 : x
  2. Step 2: Convert to fraction form
    179,107.60/268,272.60 = 148,003.60/x
  3. Step 3: Cross multiply
    179,107.60x = 268,272.60 × 148,003.60
  4. Step 4: Simplify right side
    179,107.60x = 39,705,310,581.36
  5. Step 5: Solve for x
    x = 39,705,310,581.36/179,107.60
  6. Step 6: Final answer
    x = 221,684.12

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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.