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Finding the Fourth Proportional to 111,928.59, 167,911.11 and 33,050.79

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Solution

The fourth proportional to 111,928.59, 167,911.11 and 33,050.79 is: 49,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,928.59 : 167,911.11 = 33,050.79 : x
  2. Step 2: Convert to fraction form
    111,928.59/167,911.11 = 33,050.79/x
  3. Step 3: Cross multiply
    111,928.59x = 167,911.11 × 33,050.79
  4. Step 4: Simplify right side
    111,928.59x = 5,549,594,835.28
  5. Step 5: Solve for x
    x = 5,549,594,835.28/111,928.59
  6. Step 6: Final answer
    x = 49,581.57

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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.