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Finding the Fourth Proportional to 321,502.06, 482,253.09 and 111,025.18

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Solution

The fourth proportional to 321,502.06, 482,253.09 and 111,025.18 is: 166,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,502.06 : 482,253.09 = 111,025.18 : x
  2. Step 2: Convert to fraction form
    321,502.06/482,253.09 = 111,025.18/x
  3. Step 3: Cross multiply
    321,502.06x = 482,253.09 × 111,025.18
  4. Step 4: Simplify right side
    321,502.06x = 53,542,236,122.81
  5. Step 5: Solve for x
    x = 53,542,236,122.81/321,502.06
  6. Step 6: Final answer
    x = 166,537.77

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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.