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Finding the Fourth Proportional to 214,989.80, 322,491.47 and 55,066.73

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Solution

The fourth proportional to 214,989.80, 322,491.47 and 55,066.73 is: 82,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,989.80 : 322,491.47 = 55,066.73 : x
  2. Step 2: Convert to fraction form
    214,989.80/322,491.47 = 55,066.73/x
  3. Step 3: Cross multiply
    214,989.80x = 322,491.47 × 55,066.73
  4. Step 4: Simplify right side
    214,989.80x = 17,758,551,236.69
  5. Step 5: Solve for x
    x = 17,758,551,236.69/214,989.80
  6. Step 6: Final answer
    x = 82,601.83

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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.