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Finding the Fourth Proportional to 303,126.66, 418,305.78 and 167,160.60

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Solution

The fourth proportional to 303,126.66, 418,305.78 and 167,160.60 is: 230,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,126.66 : 418,305.78 = 167,160.60 : x
  2. Step 2: Convert to fraction form
    303,126.66/418,305.78 = 167,160.60/x
  3. Step 3: Cross multiply
    303,126.66x = 418,305.78 × 167,160.60
  4. Step 4: Simplify right side
    303,126.66x = 69,924,245,168.27
  5. Step 5: Solve for x
    x = 69,924,245,168.27/303,126.66
  6. Step 6: Final answer
    x = 230,676.66

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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.