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Finding the Fourth Proportional to 188,891.30, 283,336.95 and 64,232.30

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Solution

The fourth proportional to 188,891.30, 283,336.95 and 64,232.30 is: 96,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,891.30 : 283,336.95 = 64,232.30 : x
  2. Step 2: Convert to fraction form
    188,891.30/283,336.95 = 64,232.30/x
  3. Step 3: Cross multiply
    188,891.30x = 283,336.95 × 64,232.30
  4. Step 4: Simplify right side
    188,891.30x = 18,199,383,973.49
  5. Step 5: Solve for x
    x = 18,199,383,973.49/188,891.30
  6. Step 6: Final answer
    x = 96,348.45

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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.