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Finding the Fourth Proportional to 166,674.80, 230,010.40 and 90,193.84

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Solution

The fourth proportional to 166,674.80, 230,010.40 and 90,193.84 is: 124,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,674.80 : 230,010.40 = 90,193.84 : x
  2. Step 2: Convert to fraction form
    166,674.80/230,010.40 = 90,193.84/x
  3. Step 3: Cross multiply
    166,674.80x = 230,010.40 × 90,193.84
  4. Step 4: Simplify right side
    166,674.80x = 20,745,521,215.94
  5. Step 5: Solve for x
    x = 20,745,521,215.94/166,674.80
  6. Step 6: Final answer
    x = 124,467.05

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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.