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Finding the Fourth Proportional to 134,004.80, 201,007.20 and 34,164.80

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Solution

The fourth proportional to 134,004.80, 201,007.20 and 34,164.80 is: 51,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,004.80 : 201,007.20 = 34,164.80 : x
  2. Step 2: Convert to fraction form
    134,004.80/201,007.20 = 34,164.80/x
  3. Step 3: Cross multiply
    134,004.80x = 201,007.20 × 34,164.80
  4. Step 4: Simplify right side
    134,004.80x = 6,867,370,786.56
  5. Step 5: Solve for x
    x = 6,867,370,786.56/134,004.80
  6. Step 6: Final answer
    x = 51,247.20

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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.