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Finding the Fourth Proportional to 232,215.56, 320,214.55 and 171,912.68

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Solution

The fourth proportional to 232,215.56, 320,214.55 and 171,912.68 is: 237,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,215.56 : 320,214.55 = 171,912.68 : x
  2. Step 2: Convert to fraction form
    232,215.56/320,214.55 = 171,912.68/x
  3. Step 3: Cross multiply
    232,215.56x = 320,214.55 × 171,912.68
  4. Step 4: Simplify right side
    232,215.56x = 55,048,939,004.86
  5. Step 5: Solve for x
    x = 55,048,939,004.86/232,215.56
  6. Step 6: Final answer
    x = 237,059.65

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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.