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Finding the Fourth Proportional to 188,810.20, 283,215.30 and 180,720.60

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Solution

The fourth proportional to 188,810.20, 283,215.30 and 180,720.60 is: 271,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.20 : 283,215.30 = 180,720.60 : x
  2. Step 2: Convert to fraction form
    188,810.20/283,215.30 = 180,720.60/x
  3. Step 3: Cross multiply
    188,810.20x = 283,215.30 × 180,720.60
  4. Step 4: Simplify right side
    188,810.20x = 51,182,838,945.18
  5. Step 5: Solve for x
    x = 51,182,838,945.18/188,810.20
  6. Step 6: Final answer
    x = 271,080.90

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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.