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Finding the Fourth Proportional to 148,737.52, 222,884.72 and 82,196.64

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Solution

The fourth proportional to 148,737.52, 222,884.72 and 82,196.64 is: 123,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,737.52 : 222,884.72 = 82,196.64 : x
  2. Step 2: Convert to fraction form
    148,737.52/222,884.72 = 82,196.64/x
  3. Step 3: Cross multiply
    148,737.52x = 222,884.72 × 82,196.64
  4. Step 4: Simplify right side
    148,737.52x = 18,320,375,091.34
  5. Step 5: Solve for x
    x = 18,320,375,091.34/148,737.52
  6. Step 6: Final answer
    x = 123,172.52

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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.