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Finding the Fourth Proportional to 188,932.50, 283,398.75 and 64,273.50

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Solution

The fourth proportional to 188,932.50, 283,398.75 and 64,273.50 is: 96,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,932.50 : 283,398.75 = 64,273.50 : x
  2. Step 2: Convert to fraction form
    188,932.50/283,398.75 = 64,273.50/x
  3. Step 3: Cross multiply
    188,932.50x = 283,398.75 × 64,273.50
  4. Step 4: Simplify right side
    188,932.50x = 18,215,029,558.13
  5. Step 5: Solve for x
    x = 18,215,029,558.13/188,932.50
  6. Step 6: Final answer
    x = 96,410.25

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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.