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Finding the Fourth Proportional to 179,334.40, 268,886.40 and 74,195.20

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Solution

The fourth proportional to 179,334.40, 268,886.40 and 74,195.20 is: 111,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,334.40 : 268,886.40 = 74,195.20 : x
  2. Step 2: Convert to fraction form
    179,334.40/268,886.40 = 74,195.20/x
  3. Step 3: Cross multiply
    179,334.40x = 268,886.40 × 74,195.20
  4. Step 4: Simplify right side
    179,334.40x = 19,950,080,225.28
  5. Step 5: Solve for x
    x = 19,950,080,225.28/179,334.40
  6. Step 6: Final answer
    x = 111,245.14

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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.