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Finding the Fourth Proportional to 180,596.04, 270,928.08 and 80,760.48

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Solution

The fourth proportional to 180,596.04, 270,928.08 and 80,760.48 is: 121,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,596.04 : 270,928.08 = 80,760.48 : x
  2. Step 2: Convert to fraction form
    180,596.04/270,928.08 = 80,760.48/x
  3. Step 3: Cross multiply
    180,596.04x = 270,928.08 × 80,760.48
  4. Step 4: Simplify right side
    180,596.04x = 21,880,281,786.28
  5. Step 5: Solve for x
    x = 21,880,281,786.28/180,596.04
  6. Step 6: Final answer
    x = 121,155.93

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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.