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Finding the Fourth Proportional to 162,928.56, 244,524.87 and 84,065.34

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Solution

The fourth proportional to 162,928.56, 244,524.87 and 84,065.34 is: 126,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,928.56 : 244,524.87 = 84,065.34 : x
  2. Step 2: Convert to fraction form
    162,928.56/244,524.87 = 84,065.34/x
  3. Step 3: Cross multiply
    162,928.56x = 244,524.87 × 84,065.34
  4. Step 4: Simplify right side
    162,928.56x = 20,556,066,335.01
  5. Step 5: Solve for x
    x = 20,556,066,335.01/162,928.56
  6. Step 6: Final answer
    x = 126,166.13

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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.