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Finding the Fourth Proportional to 167,296.52, 230,861.30 and 90,813.89

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Solution

The fourth proportional to 167,296.52, 230,861.30 and 90,813.89 is: 125,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,296.52 : 230,861.30 = 90,813.89 : x
  2. Step 2: Convert to fraction form
    167,296.52/230,861.30 = 90,813.89/x
  3. Step 3: Cross multiply
    167,296.52x = 230,861.30 × 90,813.89
  4. Step 4: Simplify right side
    167,296.52x = 20,965,411,095.08
  5. Step 5: Solve for x
    x = 20,965,411,095.08/167,296.52
  6. Step 6: Final answer
    x = 125,318.88

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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.