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Finding the Fourth Proportional to 223,227.92, 308,135.40 and 147,800.72

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Solution

The fourth proportional to 223,227.92, 308,135.40 and 147,800.72 is: 204,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,227.92 : 308,135.40 = 147,800.72 : x
  2. Step 2: Convert to fraction form
    223,227.92/308,135.40 = 147,800.72/x
  3. Step 3: Cross multiply
    223,227.92x = 308,135.40 × 147,800.72
  4. Step 4: Simplify right side
    223,227.92x = 45,542,633,977.49
  5. Step 5: Solve for x
    x = 45,542,633,977.49/223,227.92
  6. Step 6: Final answer
    x = 204,018.54

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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.