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Finding the Fourth Proportional to 273,141.28, 376,933.60 and 158,443.12

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Solution

The fourth proportional to 273,141.28, 376,933.60 and 158,443.12 is: 218,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,141.28 : 376,933.60 = 158,443.12 : x
  2. Step 2: Convert to fraction form
    273,141.28/376,933.60 = 158,443.12/x
  3. Step 3: Cross multiply
    273,141.28x = 376,933.60 × 158,443.12
  4. Step 4: Simplify right side
    273,141.28x = 59,722,535,616.83
  5. Step 5: Solve for x
    x = 59,722,535,616.83/273,141.28
  6. Step 6: Final answer
    x = 218,650.71

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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.