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Finding the Fourth Proportional to 111,315.70, 166,957.44 and 36,438.83

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Solution

The fourth proportional to 111,315.70, 166,957.44 and 36,438.83 is: 54,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,315.70 : 166,957.44 = 36,438.83 : x
  2. Step 2: Convert to fraction form
    111,315.70/166,957.44 = 36,438.83/x
  3. Step 3: Cross multiply
    111,315.70x = 166,957.44 × 36,438.83
  4. Step 4: Simplify right side
    111,315.70x = 6,083,733,428.05
  5. Step 5: Solve for x
    x = 6,083,733,428.05/111,315.70
  6. Step 6: Final answer
    x = 54,652.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.