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Finding the Fourth Proportional to 303,123.06, 418,300.20 and 167,162.74

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Solution

The fourth proportional to 303,123.06, 418,300.20 and 167,162.74 is: 230,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,123.06 : 418,300.20 = 167,162.74 : x
  2. Step 2: Convert to fraction form
    303,123.06/418,300.20 = 167,162.74/x
  3. Step 3: Cross multiply
    303,123.06x = 418,300.20 × 167,162.74
  4. Step 4: Simplify right side
    303,123.06x = 69,924,206,528.80
  5. Step 5: Solve for x
    x = 69,924,206,528.80/303,123.06
  6. Step 6: Final answer
    x = 230,679.27

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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.