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Finding the Fourth Proportional to 180,481.47, 270,988.30 and 100,675.34

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Solution

The fourth proportional to 180,481.47, 270,988.30 and 100,675.34 is: 151,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,481.47 : 270,988.30 = 100,675.34 : x
  2. Step 2: Convert to fraction form
    180,481.47/270,988.30 = 100,675.34/x
  3. Step 3: Cross multiply
    180,481.47x = 270,988.30 × 100,675.34
  4. Step 4: Simplify right side
    180,481.47x = 27,281,839,025.63
  5. Step 5: Solve for x
    x = 27,281,839,025.63/180,481.47
  6. Step 6: Final answer
    x = 151,161.44

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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.