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Finding the Fourth Proportional to 111,350, 167,050.94 and 37,478

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Solution

The fourth proportional to 111,350, 167,050.94 and 37,478 is: 56,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,350 : 167,050.94 = 37,478 : x
  2. Step 2: Convert to fraction form
    111,350/167,050.94 = 37,478/x
  3. Step 3: Cross multiply
    111,350x = 167,050.94 × 37,478
  4. Step 4: Simplify right side
    111,350x = 6,260,735,129.32
  5. Step 5: Solve for x
    x = 6,260,735,129.32/111,350
  6. Step 6: Final answer
    x = 56,225.73

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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.