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Finding the Fourth Proportional to 111,565.92, 167,354.26 and 36,684.41

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Solution

The fourth proportional to 111,565.92, 167,354.26 and 36,684.41 is: 55,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,565.92 : 167,354.26 = 36,684.41 : x
  2. Step 2: Convert to fraction form
    111,565.92/167,354.26 = 36,684.41/x
  3. Step 3: Cross multiply
    111,565.92x = 167,354.26 × 36,684.41
  4. Step 4: Simplify right side
    111,565.92x = 6,139,291,360.60
  5. Step 5: Solve for x
    x = 6,139,291,360.60/111,565.92
  6. Step 6: Final answer
    x = 55,028.38

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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.