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Finding the Fourth Proportional to 177,958.92, 245,632.91 and 101,520.54

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Solution

The fourth proportional to 177,958.92, 245,632.91 and 101,520.54 is: 140,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,958.92 : 245,632.91 = 101,520.54 : x
  2. Step 2: Convert to fraction form
    177,958.92/245,632.91 = 101,520.54/x
  3. Step 3: Cross multiply
    177,958.92x = 245,632.91 × 101,520.54
  4. Step 4: Simplify right side
    177,958.92x = 24,936,785,157.37
  5. Step 5: Solve for x
    x = 24,936,785,157.37/177,958.92
  6. Step 6: Final answer
    x = 140,126.64

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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.