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Finding the Fourth Proportional to 111,568.38, 167,352.56 and 28,462.38

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Solution

The fourth proportional to 111,568.38, 167,352.56 and 28,462.38 is: 42,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,568.38 : 167,352.56 = 28,462.38 : x
  2. Step 2: Convert to fraction form
    111,568.38/167,352.56 = 28,462.38/x
  3. Step 3: Cross multiply
    111,568.38x = 167,352.56 × 28,462.38
  4. Step 4: Simplify right side
    111,568.38x = 4,763,252,156.69
  5. Step 5: Solve for x
    x = 4,763,252,156.69/111,568.38
  6. Step 6: Final answer
    x = 42,693.57

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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.