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Finding the Fourth Proportional to 220,158.73, 303,714.73 and 148,561.82

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Solution

The fourth proportional to 220,158.73, 303,714.73 and 148,561.82 is: 204,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,158.73 : 303,714.73 = 148,561.82 : x
  2. Step 2: Convert to fraction form
    220,158.73/303,714.73 = 148,561.82/x
  3. Step 3: Cross multiply
    220,158.73x = 303,714.73 × 148,561.82
  4. Step 4: Simplify right side
    220,158.73x = 45,120,412,306.80
  5. Step 5: Solve for x
    x = 45,120,412,306.80/220,158.73
  6. Step 6: Final answer
    x = 204,944.92

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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.