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Finding the Fourth Proportional to 237,607.96, 327,899.22 and 128,712.54

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Solution

The fourth proportional to 237,607.96, 327,899.22 and 128,712.54 is: 177,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,607.96 : 327,899.22 = 128,712.54 : x
  2. Step 2: Convert to fraction form
    237,607.96/327,899.22 = 128,712.54/x
  3. Step 3: Cross multiply
    237,607.96x = 327,899.22 × 128,712.54
  4. Step 4: Simplify right side
    237,607.96x = 42,204,741,470.22
  5. Step 5: Solve for x
    x = 42,204,741,470.22/237,607.96
  6. Step 6: Final answer
    x = 177,623.43

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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.