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Finding the Fourth Proportional to 180,346.76, 270,344.32 and 75,195.80

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Solution

The fourth proportional to 180,346.76, 270,344.32 and 75,195.80 is: 112,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,346.76 : 270,344.32 = 75,195.80 : x
  2. Step 2: Convert to fraction form
    180,346.76/270,344.32 = 75,195.80/x
  3. Step 3: Cross multiply
    180,346.76x = 270,344.32 × 75,195.80
  4. Step 4: Simplify right side
    180,346.76x = 20,328,757,417.86
  5. Step 5: Solve for x
    x = 20,328,757,417.86/180,346.76
  6. Step 6: Final answer
    x = 112,720.39

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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.