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Finding the Fourth Proportional to 218,564.52, 327,831.71 and 134,337.69

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Solution

The fourth proportional to 218,564.52, 327,831.71 and 134,337.69 is: 201,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,564.52 : 327,831.71 = 134,337.69 : x
  2. Step 2: Convert to fraction form
    218,564.52/327,831.71 = 134,337.69/x
  3. Step 3: Cross multiply
    218,564.52x = 327,831.71 × 134,337.69
  4. Step 4: Simplify right side
    218,564.52x = 44,040,153,958.46
  5. Step 5: Solve for x
    x = 44,040,153,958.46/218,564.52
  6. Step 6: Final answer
    x = 201,497.27

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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.