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Finding the Fourth Proportional to 225,535.56, 310,906.26 and 177,693.72

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Solution

The fourth proportional to 225,535.56, 310,906.26 and 177,693.72 is: 244,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,535.56 : 310,906.26 = 177,693.72 : x
  2. Step 2: Convert to fraction form
    225,535.56/310,906.26 = 177,693.72/x
  3. Step 3: Cross multiply
    225,535.56x = 310,906.26 × 177,693.72
  4. Step 4: Simplify right side
    225,535.56x = 55,246,089,910.69
  5. Step 5: Solve for x
    x = 55,246,089,910.69/225,535.56
  6. Step 6: Final answer
    x = 244,955.12

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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.