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Finding the Fourth Proportional to 179,440.60, 269,063.70 and 74,140.60

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Solution

The fourth proportional to 179,440.60, 269,063.70 and 74,140.60 is: 111,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,440.60 : 269,063.70 = 74,140.60 : x
  2. Step 2: Convert to fraction form
    179,440.60/269,063.70 = 74,140.60/x
  3. Step 3: Cross multiply
    179,440.60x = 269,063.70 × 74,140.60
  4. Step 4: Simplify right side
    179,440.60x = 19,948,544,156.22
  5. Step 5: Solve for x
    x = 19,948,544,156.22/179,440.60
  6. Step 6: Final answer
    x = 111,170.74

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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.