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Finding the Fourth Proportional to 177,415.20, 266,317.20 and 110,930.40

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Solution

The fourth proportional to 177,415.20, 266,317.20 and 110,930.40 is: 166,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,415.20 : 266,317.20 = 110,930.40 : x
  2. Step 2: Convert to fraction form
    177,415.20/266,317.20 = 110,930.40/x
  3. Step 3: Cross multiply
    177,415.20x = 266,317.20 × 110,930.40
  4. Step 4: Simplify right side
    177,415.20x = 29,542,673,522.88
  5. Step 5: Solve for x
    x = 29,542,673,522.88/177,415.20
  6. Step 6: Final answer
    x = 166,517.15

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1.5x scale

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.