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Finding the Fourth Proportional to 302,923.70, 418,037.25 and 166,958.00

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Solution

The fourth proportional to 302,923.70, 418,037.25 and 166,958.00 is: 230,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,923.70 : 418,037.25 = 166,958.00 : x
  2. Step 2: Convert to fraction form
    302,923.70/418,037.25 = 166,958.00/x
  3. Step 3: Cross multiply
    302,923.70x = 418,037.25 × 166,958.00
  4. Step 4: Simplify right side
    302,923.70x = 69,794,662,701.18
  5. Step 5: Solve for x
    x = 69,794,662,701.18/302,923.70
  6. Step 6: Final answer
    x = 230,403.44

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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.