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Finding the Fourth Proportional to 111,458.84, 167,059.50 and 51,361.65

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Solution

The fourth proportional to 111,458.84, 167,059.50 and 51,361.65 is: 76,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,458.84 : 167,059.50 = 51,361.65 : x
  2. Step 2: Convert to fraction form
    111,458.84/167,059.50 = 51,361.65/x
  3. Step 3: Cross multiply
    111,458.84x = 167,059.50 × 51,361.65
  4. Step 4: Simplify right side
    111,458.84x = 8,580,451,568.18
  5. Step 5: Solve for x
    x = 8,580,451,568.18/111,458.84
  6. Step 6: Final answer
    x = 76,983.14

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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.