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Finding the Fourth Proportional to 179,265.60, 268,509.60 and 148,161.60

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Solution

The fourth proportional to 179,265.60, 268,509.60 and 148,161.60 is: 221,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,265.60 : 268,509.60 = 148,161.60 : x
  2. Step 2: Convert to fraction form
    179,265.60/268,509.60 = 148,161.60/x
  3. Step 3: Cross multiply
    179,265.60x = 268,509.60 × 148,161.60
  4. Step 4: Simplify right side
    179,265.60x = 39,782,811,951.36
  5. Step 5: Solve for x
    x = 39,782,811,951.36/179,265.60
  6. Step 6: Final answer
    x = 221,921.06

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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.