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Finding the Fourth Proportional to 303,026.50, 418,168.87 and 167,057.30

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Solution

The fourth proportional to 303,026.50, 418,168.87 and 167,057.30 is: 230,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,026.50 : 418,168.87 = 167,057.30 : x
  2. Step 2: Convert to fraction form
    303,026.50/418,168.87 = 167,057.30/x
  3. Step 3: Cross multiply
    303,026.50x = 418,168.87 × 167,057.30
  4. Step 4: Simplify right side
    303,026.50x = 69,858,162,366.25
  5. Step 5: Solve for x
    x = 69,858,162,366.25/303,026.50
  6. Step 6: Final answer
    x = 230,534.83

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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.