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Finding the Fourth Proportional to 180,175.80, 270,296.64 and 60,221.40

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Solution

The fourth proportional to 180,175.80, 270,296.64 and 60,221.40 is: 90,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,175.80 : 270,296.64 = 60,221.40 : x
  2. Step 2: Convert to fraction form
    180,175.80/270,296.64 = 60,221.40/x
  3. Step 3: Cross multiply
    180,175.80x = 270,296.64 × 60,221.40
  4. Step 4: Simplify right side
    180,175.80x = 16,277,642,076.10
  5. Step 5: Solve for x
    x = 16,277,642,076.10/180,175.80
  6. Step 6: Final answer
    x = 90,343.11

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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.