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Finding the Fourth Proportional to 207,015.73, 285,649.68 and 116,354.86

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Solution

The fourth proportional to 207,015.73, 285,649.68 and 116,354.86 is: 160,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,015.73 : 285,649.68 = 116,354.86 : x
  2. Step 2: Convert to fraction form
    207,015.73/285,649.68 = 116,354.86/x
  3. Step 3: Cross multiply
    207,015.73x = 285,649.68 × 116,354.86
  4. Step 4: Simplify right side
    207,015.73x = 33,236,728,525.44
  5. Step 5: Solve for x
    x = 33,236,728,525.44/207,015.73
  6. Step 6: Final answer
    x = 160,551.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.