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Finding the Fourth Proportional to 167,406.89, 230,906.84 and 106,950.78

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Solution

The fourth proportional to 167,406.89, 230,906.84 and 106,950.78 is: 147,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,406.89 : 230,906.84 = 106,950.78 : x
  2. Step 2: Convert to fraction form
    167,406.89/230,906.84 = 106,950.78/x
  3. Step 3: Cross multiply
    167,406.89x = 230,906.84 × 106,950.78
  4. Step 4: Simplify right side
    167,406.89x = 24,695,666,110.58
  5. Step 5: Solve for x
    x = 24,695,666,110.58/167,406.89
  6. Step 6: Final answer
    x = 147,518.82

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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.