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Finding the Fourth Proportional to 179,796.60, 269,694.90 and 74,587.32

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Solution

The fourth proportional to 179,796.60, 269,694.90 and 74,587.32 is: 111,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,796.60 : 269,694.90 = 74,587.32 : x
  2. Step 2: Convert to fraction form
    179,796.60/269,694.90 = 74,587.32/x
  3. Step 3: Cross multiply
    179,796.60x = 269,694.90 × 74,587.32
  4. Step 4: Simplify right side
    179,796.60x = 20,115,819,808.67
  5. Step 5: Solve for x
    x = 20,115,819,808.67/179,796.60
  6. Step 6: Final answer
    x = 111,880.98

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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.