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Finding the Fourth Proportional to 188,336.52, 283,800.30 and 155,789.10

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Solution

The fourth proportional to 188,336.52, 283,800.30 and 155,789.10 is: 234,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,336.52 : 283,800.30 = 155,789.10 : x
  2. Step 2: Convert to fraction form
    188,336.52/283,800.30 = 155,789.10/x
  3. Step 3: Cross multiply
    188,336.52x = 283,800.30 × 155,789.10
  4. Step 4: Simplify right side
    188,336.52x = 44,212,993,316.73
  5. Step 5: Solve for x
    x = 44,212,993,316.73/188,336.52
  6. Step 6: Final answer
    x = 234,755.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.