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Finding the Fourth Proportional to 180,482.72, 270,669.38 and 75,277.08

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Solution

The fourth proportional to 180,482.72, 270,669.38 and 75,277.08 is: 112,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,482.72 : 270,669.38 = 75,277.08 : x
  2. Step 2: Convert to fraction form
    180,482.72/270,669.38 = 75,277.08/x
  3. Step 3: Cross multiply
    180,482.72x = 270,669.38 × 75,277.08
  4. Step 4: Simplify right side
    180,482.72x = 20,375,200,195.43
  5. Step 5: Solve for x
    x = 20,375,200,195.43/180,482.72
  6. Step 6: Final answer
    x = 112,892.81

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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.