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Finding the Fourth Proportional to 111,777.32, 167,682.66 and 36,905.38

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Solution

The fourth proportional to 111,777.32, 167,682.66 and 36,905.38 is: 55,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,777.32 : 167,682.66 = 36,905.38 : x
  2. Step 2: Convert to fraction form
    111,777.32/167,682.66 = 36,905.38/x
  3. Step 3: Cross multiply
    111,777.32x = 167,682.66 × 36,905.38
  4. Step 4: Simplify right side
    111,777.32x = 6,188,391,263.77
  5. Step 5: Solve for x
    x = 6,188,391,263.77/111,777.32
  6. Step 6: Final answer
    x = 55,363.57

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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.