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Finding the Fourth Proportional to 166,010.04, 229,093.38 and 90,558

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Solution

The fourth proportional to 166,010.04, 229,093.38 and 90,558 is: 124,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,010.04 : 229,093.38 = 90,558 : x
  2. Step 2: Convert to fraction form
    166,010.04/229,093.38 = 90,558/x
  3. Step 3: Cross multiply
    166,010.04x = 229,093.38 × 90,558
  4. Step 4: Simplify right side
    166,010.04x = 20,746,238,306.04
  5. Step 5: Solve for x
    x = 20,746,238,306.04/166,010.04
  6. Step 6: Final answer
    x = 124,969.78

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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.