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Finding the Fourth Proportional to 202,272.30, 303,408.45 and 108,960.30

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Solution

The fourth proportional to 202,272.30, 303,408.45 and 108,960.30 is: 163,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,272.30 : 303,408.45 = 108,960.30 : x
  2. Step 2: Convert to fraction form
    202,272.30/303,408.45 = 108,960.30/x
  3. Step 3: Cross multiply
    202,272.30x = 303,408.45 × 108,960.30
  4. Step 4: Simplify right side
    202,272.30x = 33,059,475,734.54
  5. Step 5: Solve for x
    x = 33,059,475,734.54/202,272.30
  6. Step 6: Final answer
    x = 163,440.45

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1.5x scale

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.