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Finding the Fourth Proportional to 295,768.48, 408,159.60 and 161,632.48

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Solution

The fourth proportional to 295,768.48, 408,159.60 and 161,632.48 is: 223,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,768.48 : 408,159.60 = 161,632.48 : x
  2. Step 2: Convert to fraction form
    295,768.48/408,159.60 = 161,632.48/x
  3. Step 3: Cross multiply
    295,768.48x = 408,159.60 × 161,632.48
  4. Step 4: Simplify right side
    295,768.48x = 65,971,848,383.81
  5. Step 5: Solve for x
    x = 65,971,848,383.81/295,768.48
  6. Step 6: Final answer
    x = 223,052.33

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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.