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Finding the Fourth Proportional to 225,674.44, 311,430.98 and 125,072.52

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Solution

The fourth proportional to 225,674.44, 311,430.98 and 125,072.52 is: 172,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,674.44 : 311,430.98 = 125,072.52 : x
  2. Step 2: Convert to fraction form
    225,674.44/311,430.98 = 125,072.52/x
  3. Step 3: Cross multiply
    225,674.44x = 311,430.98 × 125,072.52
  4. Step 4: Simplify right side
    225,674.44x = 38,951,457,474.67
  5. Step 5: Solve for x
    x = 38,951,457,474.67/225,674.44
  6. Step 6: Final answer
    x = 172,600.22

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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.