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Finding the Fourth Proportional to 135,571.92, 203,390.07 and 46,826.16

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Solution

The fourth proportional to 135,571.92, 203,390.07 and 46,826.16 is: 70,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,571.92 : 203,390.07 = 46,826.16 : x
  2. Step 2: Convert to fraction form
    135,571.92/203,390.07 = 46,826.16/x
  3. Step 3: Cross multiply
    135,571.92x = 203,390.07 × 46,826.16
  4. Step 4: Simplify right side
    135,571.92x = 9,523,975,960.23
  5. Step 5: Solve for x
    x = 9,523,975,960.23/135,571.92
  6. Step 6: Final answer
    x = 70,250.36

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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.