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Finding the Fourth Proportional to 134,640.03, 201,965.17 and 50,391.32

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Solution

The fourth proportional to 134,640.03, 201,965.17 and 50,391.32 is: 75,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640.03 : 201,965.17 = 50,391.32 : x
  2. Step 2: Convert to fraction form
    134,640.03/201,965.17 = 50,391.32/x
  3. Step 3: Cross multiply
    134,640.03x = 201,965.17 × 50,391.32
  4. Step 4: Simplify right side
    134,640.03x = 10,177,291,510.32
  5. Step 5: Solve for x
    x = 10,177,291,510.32/134,640.03
  6. Step 6: Final answer
    x = 75,588.90

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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.