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Finding the Fourth Proportional to 180,168.30, 270,025.65 and 91,446.30

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Solution

The fourth proportional to 180,168.30, 270,025.65 and 91,446.30 is: 137,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,168.30 : 270,025.65 = 91,446.30 : x
  2. Step 2: Convert to fraction form
    180,168.30/270,025.65 = 91,446.30/x
  3. Step 3: Cross multiply
    180,168.30x = 270,025.65 × 91,446.30
  4. Step 4: Simplify right side
    180,168.30x = 24,692,846,597.60
  5. Step 5: Solve for x
    x = 24,692,846,597.60/180,168.30
  6. Step 6: Final answer
    x = 137,054.34

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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.