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Finding the Fourth Proportional to 166,381.50, 229,526.19 and 108,995.79

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Solution

The fourth proportional to 166,381.50, 229,526.19 and 108,995.79 is: 150,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,381.50 : 229,526.19 = 108,995.79 : x
  2. Step 2: Convert to fraction form
    166,381.50/229,526.19 = 108,995.79/x
  3. Step 3: Cross multiply
    166,381.50x = 229,526.19 × 108,995.79
  4. Step 4: Simplify right side
    166,381.50x = 25,017,388,404.74
  5. Step 5: Solve for x
    x = 25,017,388,404.74/166,381.50
  6. Step 6: Final answer
    x = 150,361.60

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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.