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Finding the Fourth Proportional to 167,300.24, 230,874.52 and 90,819.30

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Solution

The fourth proportional to 167,300.24, 230,874.52 and 90,819.30 is: 125,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,300.24 : 230,874.52 = 90,819.30 : x
  2. Step 2: Convert to fraction form
    167,300.24/230,874.52 = 90,819.30/x
  3. Step 3: Cross multiply
    167,300.24x = 230,874.52 × 90,819.30
  4. Step 4: Simplify right side
    167,300.24x = 20,967,862,294.24
  5. Step 5: Solve for x
    x = 20,967,862,294.24/167,300.24
  6. Step 6: Final answer
    x = 125,330.74

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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.