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Finding the Fourth Proportional to 188,849.70, 283,602.60 and 100,276.20

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Solution

The fourth proportional to 188,849.70, 283,602.60 and 100,276.20 is: 150,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,849.70 : 283,602.60 = 100,276.20 : x
  2. Step 2: Convert to fraction form
    188,849.70/283,602.60 = 100,276.20/x
  3. Step 3: Cross multiply
    188,849.70x = 283,602.60 × 100,276.20
  4. Step 4: Simplify right side
    188,849.70x = 28,438,591,038.12
  5. Step 5: Solve for x
    x = 28,438,591,038.12/188,849.70
  6. Step 6: Final answer
    x = 150,588.49

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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.