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Finding the Fourth Proportional to 303,011.08, 418,158.05 and 167,049.95

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Solution

The fourth proportional to 303,011.08, 418,158.05 and 167,049.95 is: 230,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,011.08 : 418,158.05 = 167,049.95 : x
  2. Step 2: Convert to fraction form
    303,011.08/418,158.05 = 167,049.95/x
  3. Step 3: Cross multiply
    303,011.08x = 418,158.05 × 167,049.95
  4. Step 4: Simplify right side
    303,011.08x = 69,853,278,418.56
  5. Step 5: Solve for x
    x = 69,853,278,418.56/303,011.08
  6. Step 6: Final answer
    x = 230,530.44

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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.