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Finding the Fourth Proportional to 148,012.62, 204,254.37 and 80,944.62

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Solution

The fourth proportional to 148,012.62, 204,254.37 and 80,944.62 is: 111,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,012.62 : 204,254.37 = 80,944.62 : x
  2. Step 2: Convert to fraction form
    148,012.62/204,254.37 = 80,944.62/x
  3. Step 3: Cross multiply
    148,012.62x = 204,254.37 × 80,944.62
  4. Step 4: Simplify right side
    148,012.62x = 16,533,292,362.99
  5. Step 5: Solve for x
    x = 16,533,292,362.99/148,012.62
  6. Step 6: Final answer
    x = 111,701.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.