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Finding the Fourth Proportional to 272,290.56, 408,157.20 and 94,651.80

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Solution

The fourth proportional to 272,290.56, 408,157.20 and 94,651.80 is: 141,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,290.56 : 408,157.20 = 94,651.80 : x
  2. Step 2: Convert to fraction form
    272,290.56/408,157.20 = 94,651.80/x
  3. Step 3: Cross multiply
    272,290.56x = 408,157.20 × 94,651.80
  4. Step 4: Simplify right side
    272,290.56x = 38,632,813,662.96
  5. Step 5: Solve for x
    x = 38,632,813,662.96/272,290.56
  6. Step 6: Final answer
    x = 141,880.84

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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.